—Was he still there when you were away to answer the phone?—There is no doubt about it bu

问题补充：

—Was he still there when you were away to answer the phone?

—There is no doubt about it, but he soon afterwards.

A. had left

B. has left

C. is leaving

D. left

答案：

A. had left

B. has left

C. is leaving

(答案→)D. left

解析：D 考察动词时态。句意：—当你离开去接电话的时候他还在的吗？—这是毫无疑义的，但他随后很快就离开了。Eave这动作发生在过去，所以应该使用一般过去时。故D正确。