He often helps the students__he thinks are not quick enough at their studies.

问题描述:

He often helps the students__he thinks are not quick enough at their studies.
A.whom B.who C.when D.because需要思路

选择A he thinks (the students)are not quick enough at their studies.
the students是宾语成分,所以用whom 宾格形式可答案是B啊the students是are not quick enough at their studies这个句子的主语,所以用who 我想错了 ,应该把he thinks去掉的