听力原文：

G: You look very tired every day! What’s the matter, Jack?

B: I often study until midnight and I don’t get enough sleep.

G: Why don’t you go to sleep early?

B: Because my parents always give me too much pressure. I have too much homework to do.

G: Why don’t you talk with your parents?

B: Although I am unhappy, I think I need good grades.

G: You won’t get good grades if you’re stressed out all the time.

B: You’re right. Thank you.

答案：6. C