Friends are those make you smile，always

问题选择题

Friends are those make you smile，always open their hearts to you and

encourage you to succeed

A which B what C whom D who

答案

答案：D

考察定语从句，句意：朋友是那些让你欢笑，永远对你打开心灵并鼓励你成功的人。本句先行词those为下文的逻辑主语，指人，故引导词用who，选D。