It was really tiring for me to stand in the queue for two hours to get the G-train ticket.-----You ____.you could have got online.A .needn't have B.needn't C.didn't need to C.didn't need to have需解释

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It was really tiring for me to stand in the queue for two hours to get the G-train ticket.-----You ____.you could have got online.A .needn't have B.needn't C.didn't need to C.didn't need to have需解释

答案是A
could have got ------解释为“当时真该- - - - - ”.
C.didn't need to --------解释为“因为没有必要,所以就没有-- -- ”.
D.didn't need to have---------没有这样的表达.
B.needn't HAVE DONE SO --------这样就对了.

D,过去本不应该做某事

选 C,这里 need 是实意动词,否定句里要加助动词。