问题
选择题
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
答案:C
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。