The man looked around when he walked along the pavement ___something A:as if to seach of B"as if in search of 为什么选B 不是有as if to do sth 为什么不选A呢
问题描述：
The man looked around when he walked along the pavement ___something
A:as if to seach of
B"as if in search of
为什么选B 不是有as if to do sth
为什么不选A呢
答
in search of 是个固定词组.
答
in search of
是固定短语
答
as if to do sth 表示好像将要干.,将来的动作.
as if in search of 好像正在寻找.
因此B和题意.