She often helps the students __  __

试题详情及答案解析

She often helps the students__ ___she thinks are not good at English.

A．whom

B．which

C．who

D．when

答案：C

试题分析：考查定语从句。分析句子成分，he thinks是插入语，可以省略。who在这里作主语，修饰the students；whom只能作宾语，which和when在定语从句中，不修饰人，所以可以排除。句意：他经常帮助那些他认为英语不够好的人。故选C。
考点：考查定语从句。