I regret that you have failed the exam but what you should do now is not to regret so m

问题补充：

I regret that you have failed the exam, but what you should do now is not to regret so much time but to seize every moment from now on.

A. to inform; wasting

B. informing; to waste

C. to inform; to waste

D. informing; wasting

答案：

(答案→)A. to inform; wasting

B. informing; to waste

C. to inform; to waste

D. informing; wasting

解析：考查：regret to do 很遗憾的要干什么，regret doing 后悔做了某事，句意：我遗憾的告知你你考试没及格，但是你现在应该做的事情不是后悔浪费了如此多的时间而是从现在起要抓住每一刻。所以选A。