Did you scold him for his carelessness A I'd rather not have done B I'd better not do 求详解 答案A

问题描述:

Did you scold him for his carelessness A I'd rather not have done B I'd better not do 求详解 答案A
Yes ,but ____ it

A虚拟语气的一种,表示后悔做过某事;would rathernot have done sth 宁愿没有做过某事.
希望可以帮到你!B为什么不行?B 表示最好不要做某事,事情还没有做,与句意不符合。