英语单选,after three hours drive ,they arrived in ___ they thought was the place they had been looking f

题目

英语单选,after three hours drive ,they arrived in ___ they thought was the place they had been looking forward to visiting.A.what B.which C.where D.that

答案

A,没有先行词所以不是定语从句,实际上what引导的是介词in的宾语从句：“what was the place “,“（that ）they thought ”修饰what