题目

题型：不详难度：来源：

She is the only one of the persons ________ from the mistakes.

A．whom I know have learned	B．whom I know has learned
C．I know who has learned	D．I know who have learned

答案

C

解析

考查定语从句，one of+ 复数名词，前面被the (only )修饰时谓语动词用单数形式，所以选C, I know 做插入语，who 在定语从句中做主语，句意：他是我认识中的唯一一个从错误中学习的人。