听力原文：

G: Oh, you look worried. What’s the matter with you?

B: I’m going crazy! 

G: What happened?

B: Nothing. I’d rather not talk about it. Just don’t ask.

G: Mason, come on. Talk to me.

B: All right. I’m feeling very nervous. I just had a test, and I’m not sure how well or how badly I did. What’s more, because of it, I can’t concentrate on the next exam.

G: There’s no use worrying about it.

B: That’s true. I really should go home to be ready for the next test, but I feel very tired.

G: Cheer up! Let’s go and get a coffee. That will help you keep trying. 

B: That’s a good idea.

答案：2. B  3. A