(英语选择题)帮我看看为什么错

题目

(英语选择题)帮我看看为什么错
What surprised me was ___________ so well.
A.what he spoke English
B.that he spoke English
C.which did he speak English
D.what did he spoke English
我选了A 请大人针对这道题目分析

答案

he spoke English so well是一个完整的句子,所以不能用what连接,要用that.
用what的话要是表示一个东西,比如What surprised me was what he brought to me.在这句话里面he brought * to me,其实*当中缺少一个名词,这种情况下,连接才能用what.
而题目的he spoke English so well已经很完整了,句子不缺少成分,所以要用that.