---We took a taxi and arrived at the station an hour earlier．---You ________ it．Time was enough for you to go there by bus．A.needn’t takeB.didn’t need takeC.needn’t have takenD.mustn’t have taken
网友回答
C解析你们本来没必要坐出租车，你们坐公交车到那时间足够。本来没必要：needn’t have done