(2013·西安模拟)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
网友回答
A. seeing
B. having seen
(答案→)C. to see
D. to have seen
解析：选C。考查省略。句意: 我们跟着的这个男人突然停了下来, 好像在看是否走对了方向。as if to see是as if he was going to see的省略说法。