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 have seen

D．to see

Answer 1

答案：D
解析：

本句说那个人停下来的目的是想搞清楚他走的方向是否正确，用动词不定式表目的，相当于... and looked as if he wanted to see...，故答案为D。