选择适当选项，把下列对话补充完整。

Peter: I have some problems. I didn't do my homework.

Mary: You should say sorry to your teacher.

Peter:

Mary: You should borrow one from your friend.

Peter: OK. I'm tired and I feel sick.

Mary:

Peter: My sister Linda is angry with me.

Mary: You should buy a gift for her. I think she'll be happy.

Peter:

Mary: You're welcome.

A. You should have a rest. B. What should I do? C. Thanks for your advice. D. I lost(丢失) my pen.