问题
选择题
Asia has achieved more in controlling the bird flu than Europe in the past few years, _______
the number of people infected with the virus is going up sharply.
A．when
B．that
C．so that
D．where
答案
答案：D
本题易误选A。where引导的是非限制性定语从句，以说明欧洲在控制the bird flu病毒方面的情况，从而与亚洲形成对比。