be quick,or the train ------ by the time we get to the stationA leaves B has left C would leave D will have left 选C还是D ,

问题描述:

be quick,or the train ------ by the time we get to the station
A leaves B has left C would leave D will have left 选C还是D ,

C 用将来时

很典型的虚拟语气用法
选C

C 虚拟语气 假定了感到火车站的时候 车开了