–What are you going to do this weekend?--If time permits I may go to Shanghai with my f

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. Forget it

D. It depends

答案：

A. Don’t mention it

B. It doesn’t matter

C. Forget it

(答案→)D. It depends

解析：考查交际用语。根据后面的“如果时间允许，可能和朋友去上海”，可知，要是情况而定。故答案为D。