听下面一段独白，回答以下小题。
【小题1】What is the main reason for people to go back to school?

A．They want to learn new knowledge.

B．They want to experience school life again.

C．They are not satisfied with their present careers.

【小题2】What challenge will older students face?

A．Having to quit their present jobs.

B．Studying together with teenagers.

C．Spending a lot of money and energy.

【小题3】How do most people balance their work and study?

A．They take night classes.

B．They have fewer classes.

C．They don’t study after class.