I’m going to Tibet for vacation next Sunday.-- A. Oh is that so?B. Why so?C. Have

问题补充：

--- I’m going to Tibet for vacation next Sunday. ----

A. Oh, is that so?

B. Why so?

C. Have a good time.

D. You can’t do that.

答案：

A. Oh, is that so?

B. Why so?

(答案→)C. Have a good time.

D. You can’t do that.

解析：当别人打算旅行的时候，我们应该表示祝愿，只有C表示此意，意思为祝你玩得

开心，故选C。