Question

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

Answer 1

C

当as if后面直接跟一个动词时，常使用不定式to do来表示目的，相当于as if he were(was)to do sth说明动作的未完成性。答案为C。