two hundred people died in the accident._____children.选哪个?为什么?

题目

two hundred people died in the accident._____children.选哪个?为什么?
A.many of them were
B.many of them are
C.many of whom were
D.many whom were

答案

选A
理由：首先排除C many of children 不是一个完整的句子,缺少谓语成分.然后从前一句可知,句子的时态是过去时,所以谓语应用were. 最后答案就是A了