—What are you going to do this weekend?—. If time permits I may go to Shanghai with my fr

问题补充：

—What are you going to do this weekend?

—. If time permits, I may go to Shanghai with my friends.

A. Don’t mention it

B. It doesn’t matter

C. It depends

D. Forget it

答案：

A. Don’t mention it

B. It doesn’t matter

C. It depends

(答案→)D. Forget it

解析：交际用语—征求意见或看法。根据题中的语境，特别是答语的后半部分“If time permits”，可知“看情况决定”选择故选择A项“It depends”，表示同意，其它选项不合题意。本题比较容易。