As the number of people ill with AIDS increases, _________ the need for volunteers to care for them.
A、so is
B、nor does
C、so does
D、nor is
【正确答案】：C
【题目解析】：so does…表示所说的主语和前面主语的情况一样，所谈到的是两个人或物，意为“……也是这样”；原句的意思是“随着患艾滋病人数的增加，对护理人员的需求也增加了”。因此我们选择C. so does。
