It is the director,and not the members of the board,_____the most.

题目

It is the director,and not the members of the board,_____the most.
A.who worry B.whom worry
C.to whom worry D.who worries

答案

选D[最焦虑的是董事而不是董事会成员.]
根据题目理解,感到担心的人是“the director”,而非“the members of the board”,所以who指代“the director”,表示单数,故选D