问题
选择题
Europe has achieved more in controlling the AIDS virus than Asia in the past ten 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
D 考察定语从句。这里的where引导定语从句，先行词是表示地点的Asia，when引导词义从句，指代时间，此处于题意不符。