Question

I was told that there were about 50 foreign students ________ Chinese in the school, most ________ were from Germany．

1. A.
   study; of whom
2. B.
   study; of them
3. C.
   studying; of them
4. D.
   studying; of whom

Answer 1

D
从句子结构来看，前面一空应该是用非谓语动词作定语，所以答案只能从C和D两个选项中选；后一选项从句子中间的逗号可知，应该用代词+of+关系代词，这样答案就只能是D项了。studying为现在分词作定语，表示主动和进行，符合句意。