Have you ever been in a situation ________ you know the other person is right yet you cannot agree w

Have you ever been in a situation ________ you know the other person is right yet you cannot agree with him?

A.by which

B.that

C.in where

D.where

答案及解析： D

本句是一个定语从句，先行词是situation，从句是对其限制说明。