Over a hundred children parents were killed in the Wenchuan earthquake have been adopted

问题补充：

Over a hundred children parents were killed in the Wenchuan earthquake have been adopted and taken good care of by kind­hearted couples.

A. who

B. that

C. whose

D. which

答案：

A. who

B. that

(答案→)C. whose

D. which

解析：先行词是children，从句中parents前缺少定语，故用whose引导定语从句。句意：父母在汶川地震中丧生的100多个孩子已经被好心的夫妇收养和照顾。如果题干改为：Over a hundred children of the parents were killed in the Wenchuan earthquake have been adopted and taken good care of by kind­hearted couples，那么空格处只能填whom。