In our class there are 46 students half wear glasses. A. in whomB. in themC. of whomD.

问题补充：

In our class there are 46 students, half wear glasses.

A. in whom

B. in them

C. of whom

D. of them

答案：

A. in whom

B. in them

(答案→)C. of whom

D. of them

解析：句意：在我们班里，有46个学生，其中的一半学生戴眼镜。通过分析句子结构，可知这个句子中包含一个定语从句，表示所属……的，用of，选C。