Mary wanted very much to help people who couldn't help________

Mary wanted very much to help people who couldn't help________
A、herself
B、diem
C、oneself
D、themselves
【正确答案】：D
【题目解析】：原句的意思是“玛丽非常想帮助那些不能自助的人”。因此，我们选择反身代词D.themselves。who couldn't help themselves指的是“不能够帮助自己的人”。