【题目】It is the educational system, rather than the teachers, _______ is to blame for the students’ heavy burden nowadays.
A. who B. this C. that D. whom
在线课程【答案】C
【解析】
考察强调句型.强调句型的基本结构：it is/was被强调成分who/that其它成分；强调句型的最大特点是把it is/was…that/who去掉，句子仍然成立。故选C。