shouldn't have done表示：本来不应该做某事,但是却做了.对呀，在这里不对吗，本来不应该去开会的啊你是说哪里换成shouldn't have doneWhy shouldn't you have told me这样吗？后面那句，呢个人的抱怨你原句里的动词是什么，done是哪个动词……原句答案和选项是什么你都没有列出来……怎么看。A. needn't have drivenB. can't have driven C. mustn't have driven D. shouldn't have driven答案选A根据语境，－－－你怎么不告诉我今天不开会呢？既然不用开会，那到底是不应该冒着大雪骑车来呢，还是本来不必冒着大雪骑车来呢？显然，不开会，当然是本来不必冒着雪骑车来的（但却来了）来本不必是：needn't have done