------What will you do during the coming winter vocation?---I don’t know but it’s abo

问题补充：

------What will you do during the coming winter vocation?

------ I don’t know, but it’s about time something.

A. I’m deciding

B. I’ll decide

C. I’d decided

D. I decided

答案：

A. I’m deciding

B. I’ll decide

C. I’d decided

(答案→)D. I decided

解析：考查时态。Its about time sb. Did sth。或者its about time sb should do sth表示是某人该做某事的时候了。