题目

题型：不详难度：来源：

Those were the graduate assistants ______ to do the research work in the lab.

A．to whom it was their responsibility	B．whose responsibility there was
C．whose responsibility was	D．of whom with the responsibility

答案

C

解析

此题考查属格关系代词引导的定语从句，[A]、D.项应先排除；B.项从句的谓语为there be结构，讲不通；因此只有[C]项为正确答案。