生活中，若有人在垂钓者旁大声说话或随便走动时，水中的鱼便会立即潜逃；在电视上，我们经常看到多名花样游泳运动员随着音乐在水中做着非常整齐一致的动作．通过这些事实，我们可以提出这样的猜想：声波可以______．

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