Question

【题目】You never really understand a person________you consider things from his point of view.

A．if B．once

C．as D．until

Answer 1

【答案】D

【解析】状语从句的用法。句意：直到你能从他的观点角度上思考问题你才能真正了解一个人。if如果；once一旦；as由于；until直到。故选D。