You must have missed the train last week,___ A.must't you B.haven't you C.didn't you D.needn't you

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Youmusthavemissedthetrainlastweek,___A.must''tyouB.haven''tyouC.didn''tyouD.needn''tyouYoumusthavemissed

You must have missed the train last week,___ A.must't you B.haven't you C.didn't you D.needn't you
You must have missed the train last week,___ A.must't you B.haven't you C.didn't you D.needn't you

You must have missed the train last week,___ A.must't you B.haven't you C.didn't you D.needn't you
C
must have done表示对过去情况的推测,且有明显的时间状语 last night,故用过去时 didn't you .