补全对话

A: Hi, Tony. I didn't see you last Sunday. Did you go on the school trip?

B: . I stayed at home.

A: Oh, really? ?

B: Because I had a lot of things to do.

A: ?

B: I cleaned my room and did my homework. Then I watched TV.

A: Not much fun, I think.

B: Well, it wasn't very bad. I played basketball that after- noon. Was the school trip interesting?

A: m.Wewenttotheparkandthezoo.Wehadavery good time.

B: ?

A: We came back at about 5:30 in the afternoon.

A. What did you do B. Why did you stay at home C. When did you come back D. No, I didn't E. Yes, it was