Question

When asked what original intention led them to volunteer, about half of___ said they were willing to devote themselves.

A．whom

B．whose

C．them

D．who

Answer 1

C

解析试题分析：考察句子结构。句意：当被问及他们当志愿者的最初目的是什么，他们中一半的人都说想奉献自己。句子前部分用when引导了，说明后面是主句，那就不能用关系词，而只能用代词来做主语。故选C。
考点：考查句子结构。