what is learned in books can not have the same deep effect on a child's character_____

问题描述:

what is learned in books can not have the same deep effect on a child's character_____
what is learned in books can not have the same deep effect on a child's character______ is learned through experience?
A what
B as
C as what
D when what

我觉得选择C为什么呢?意思是 书本上学得内容对孩子的影响不如实践中学到的东西深刻。 后边句子没有主语,应该用what 主语从句做as的状语 sthhavedeep effect on sth as sth.