Question

when he got to the station he that the train

When he got to the station,he ________ that the train ________ already．
A.found; has left
B.would found; left
C.finds; has left
D.found; had left

Answer 1

答案D
从句意分析,“发现”这个动作发生在过去；而“离开”这个动作发生在谓语动作之前,故第二空用过去完成时．