Bernie Sanders revealed he was bothered by Hillary Clinton's characterization of his policies as 'false promises' in a hacked audio clip, but remained adamant about his support for the Democratic nominee.

In an audio clip from a donors meeting in February that emerged this week, Clinton also described many of Sanders' young supporters as people who were 'new to politics' and 'living in their parents' basements'.

While Sanders acknowledged there were 'real differences' between him and the Democratic nominee, he defended her statements and said she was still 'far and away the superior candidate'.

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Hacked audio from a donors meeting earlier this year has revealed Hillary Clinton (left) mocked young supporters of her Democratic opponent, Bernie Sanders (right)

During CNN's State of the Union on Sunday, anchor Jake Tapper asked whether Sanders was bothered that Clinton described his policies as 'false promises', to which he said 'of course'.

He acknowledged their differences, but went on to say Clinton made an important point about young people facing dire job prospects.

Sanders drove the point home on ABC's The Week, saying: 'What she was saying there is absolutely correct.

'And that is, you’ve got millions of young people, many of whom took out loans in order to go to college, hoping to go out and get decent-paying, good jobs.'

Speaking at the fundraiser in Virginia, Clinton said Sanders' young supporters gravitated towards him because the were 'new to politics'.

'They are living in their parents’ basement,' Clinton said, according to The Intercept.

'They feel they got their education and the jobs that are available to them are not at all what they envisioned for themselves. And they don’t see much of a future.

'So if you’re feeling like you’re consigned to, you know, being a barista, or you know, some other job that doesn’t pay a lot, and doesn’t have some other ladder of opportunity attached to it, then the idea that maybe, just maybe, you could be part of a political revolution is pretty appealing.'

Clinton went on to say she wants to make 'progress' and stressed she isn't 'a wet blanket on idealism'.

Hillary Clinton speaks as Senator Bernie Sanders reacts during a Democratic debate hosted by CNN and New York One at the Brooklyn Navy Yard in New York April 14, 201

Supporters listen as then-presidential candidate Bernie Sanders speaks at a campaign rally in Santa Maria, California, on May 28

In the hacked conversation, Clinton also went on to explain why she views herself as being in the middle of two extremes in this election.

'It is important to recognize what’s going on in this election,' she said to donors in February.

'Everybody who’s ever been in an election that I’m aware of is quite bewildered because there is a strain of, on the one hand, the kind of populist, nationalist, xenophobic, discriminatory kind of approach that we hear too much of from the Republican candidates.

'So as a friend of mine said the other day, I am occupying from the center-left to the center-right. And I don’t have much company there.

'Because it is difficult when you’re running to be president, and you understand how hard the job is — I don’t want to over-promise. I don’t want to tell people things that I know we cannot do.'

Hillary Clinton has been joined on the campaign trail by Bernie Sanders since defeating him in the primaries. They are pictured together in New Hampshire last week

Bernie Sanders greets supporters after a campaign rally in Santa Maria, California, U.S. May 28, 2016

Donald Trump tried to capitalize on the leaked audio clip and drive a wedge within the Democratic Party by tweeting that Clinton was 'nasty to Sanders supporters behind closed doors'.

Clinton is battling to convert as many young voters as possible, many of whom supported Sanders instead of her.