-Did you catch the first bus?-No it the stop by the time I got there.A. leftB. was leavin

问题补充：

-Did you catch the first bus?

-No ,it the stop by the time I got there.

A. left

B. was leaving

C. had left

D. would leave

答案：

A. left

B. was leaving

(答案→)C. had left

D. would leave

解析：句意：上文，你赶上第一班公共汽车了吗？没有。我到那里的时候，它已经离开车站了。“我到那里”已经发生在过去了，而“它已经离开车站”发生在“我到那里”之前，表示过去的过去，故用过去完成时，选C。