求详解英语:Did they all pass this english examination?

问题描述:

求详解英语:Did they all pass this english examination?
no,it was so difficult that___only three of them who passed it.
A there was B that was
C were they D it was

A.这道题很明显中文意思是只有三个学生通过了.所以是there was.翻译为有.