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

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

试题答案

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。