Our emphasis is laid on such points ___ may be difficult for Korean students to master.

题目

Our emphasis is laid on such points ___ may be difficult for Korean students to master.
A.that B.which C.what D.as
why?
这句话怎么解释？

答案

引导状语从句,我们的重点都放在这类问题上,对于韩国学生来说可能很难掌握.