题目

题型：不详难度：来源：

The man we followed suddenly stopped and looked as if          whether he was going in the right direction.

A．seeing

B．having seen

C．to see

D．to have seen

答案

C

解析

as if to see="as" if he were(was) to see，as if引导的表语从句或者方式状语从句可以采用这种省略形式。