50.We must go _____ we are most needed.A.where B.to which C.to the place where D.A & C

题目

50.We must go _____ we are most needed.A.where B.to which C.to the place where D.A & C

答案

应该选D.
A C都对.A where引导地点状语从句,因为go是不及物动词.
而C where引导定语从句,修饰先行词place.