We need someone with a fresh point of view, ________ can suggest changes．

We need someone with a fresh point of view, ________ can suggest changes．

A.that

B.which

C.who

D.what

答案及解析： C

解析：

who引导的是非限制性定语从句,修饰someone。注意其中隔有一个介词短语with a fresh point of view(也是修饰someone的定语)。