The man who was being followed stopped from time to time he wanted to tie his shoelaces.

问题补充：

The man who was being followed stopped from time to time he wanted to tie his shoelaces.

A. as if

B. like

C. what

D. as

答案：

A. as if

B. like

C. what

D. as

解析：as if 意为“好像”。