Could you have been more careful Why ,what wrong__I__?A.did do B.will do C.have done D.had done 请选择,并加以解释.

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CouldyouhavebeenmorecarefulWhy,whatwrong__I__?A.diddoB.willdoC.havedoneD.haddone请选择,并加以解释.Couldyouha

Could you have been more careful Why ,what wrong__I__?A.did do B.will do C.have done D.had done 请选择,并加以解释.
Could you have been more careful Why ,what wrong__I__?
A.did do B.will do C.have done D.had done
请选择,并加以解释.

Could you have been more careful Why ,what wrong__I__?A.did do B.will do C.have done D.had done 请选择,并加以解释.
D 事情是在过去的过去,当然用过去完成时

D
因为是询问过去做错的事对现在的影响,所以选过去完成时

A
could have done本来可以做某事(事实上没做)
说明这件事已经过去了,用过去式

C 已完成,关对现在有影响,所有所现在完成时态.

A
因为我被指责是因为过去没有足够careful

d