Question

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

A. seeing　　 　 　　 B. to see 　　

C. having seen　 　 D. to have seen

Answer 1

B

考查as if引导从句的省略。 题意：我们跟踪的那个人突然停了下来，好像在看他是否走对了方向。 主句的动作发生在从句动作之前，所以用动词不定式表将来，同时这里动词不定式还可以表目的。