听力原文： About seven out of ten people released titan prison end up in prison again sooner or latex. A lot of people think this simply indicates that once a person becomes a criminal he will probably remain a criminal. But of course it doesn't necessarily mean that at all. On the contrary, it could equally suggest that being in prison actually makes people more likely to commit crimes. After all, prisons are full of criminals, and this means that someone going to prison for the first rime is going to meet a lot more criminals than he's met before. So he'll probably learn a lot about crime during his stay there. The fact that so many people are getting re-arrested also suggests that prisons aren't doing enough to train people for jobs they can do when they get out. If they were given this training, ex-prisoners wouldn't need to turn to crime again to make a living.
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A. Because he doesn't want to make a living like ordinary people.
Because only the prison can help him to control himself.
C. Because once being in prison, he is more likely to commit crimes.
D. Because he can't find a job when he gets out of the prison.