It is the test system, rather than the teachers,______

试题详情及答案解析

It is the test system, rather than the teachers,_______ is to blame for the students' heavy burden nowadays.

A．who

B．this

C．that

D．whom

答案：C

试题分析：分析句子结构可知，此句为强调句，强调句的结构为it is/was+强调部分+that（who）+剩余部分。强调举得判断是将it is/was和that（who）去掉，原句还是一个完整的句子。故选C。
考点：考查强调句