两个英文句子的区别

题目

两个英文句子的区别
新概念2的P181页第五题,
_____?A bedside telephone.
A.For what did he ask
B.What did he ask for
应该选B,但谁能告诉我A、B的区别么?

答案

英语专业回答：What did he ask for 是一个问句,而For what did he ask是一个短语,但这个短语也是有语法错误的,正确的是For what he ask.