Which of the following questions are two-part questions？

A、Today many young people change their jobs or careers every few years. What do you think are the reasons for this？ Do you think the advantages outweigh its disadvantages？

B、Nowadays we are producing more and more rubbish. Why do you think this is happening？ What can governments do to help reduce the amount of rubbish produced？

C、Some young people are leaving the countryside to live in cities and towns, leaving only old people in the countryside. Why do think this is？ Do you think this is a positive or a negative development？

D、In ancient Rome, aesthetical beauty was considered one of the main points with which humans judged each other as people. Do you agree or disagree with this point of view？ What traits do you feel best judge a person’s quality？