根据对话内容，从A到F选项中，选出能填入空白处的最佳选项，每个选项只使用一次。选项中有一项为多余项。
A: You look unhappy, Mary. 【小题1】
B: Well. I found my father looking through my things yesterday. 【小题2】
A: Did he give them back to you?
B: No, I’m still angry with him. 【小题3】
A: Why not call him up?
B: 【小题4】
A: How about writing him a letter?
B: That sounds like a good idea. 【小题5】
A: You’re welcome. Hope things work out.

A．He took some of my letters away.

B．Thank you for your advice.

C．You could tell him to say sorry.

D．I don’t know what to do next.

E．What’s wrong?

F．I don’t want to talk about it on the phone.