35.He must be from Africa,__________ can be seen from his skin.

题目

35.He must be from Africa,__________ can be seen from his skin.
A.that B.as C.who D.what
答案是B为什么不能用C

答案

选择b是没错,不过解释错误了.as确实可以引导方式状语,比如I did the work as my father taught me.但是,这里是定语从句,只不过先行词不是一个名词或者代词,而是真个句子在非限制性定语从句中,which和as可以引导定语...