Mrs. Wang is an English teacher ________ makes her classes lively and interesting.

A ． which B ． who C ． what

答案

B

【详解】句意：王老师是一位英语老师，她使她的课生动有趣。

考查定语从句。此句是定语从句，先行词 an English teacher 是指人，在从句中作主语，用 who 引导定语从句，故选 B 。