He ran all the way to the station only _______________ the train had already lef

题型：不详难度：来源：

He ran all the way to the station only _______________ the train had already left.

A．find

B．to find

C．finding

D．to have found

答案

B

解析

试题分析：句意：他一路跑向车站，结果发现火车已经开走了。根据动作的先后判断，应是先发生ran ，又发生find 这个动作，故排除D；因为句子已经有谓语动词不可能缺少动词，故排除A；doing做结果状语表示自然而然地结果；only to do表示意想不到的结果，根据句意故选B。