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
考查非限制性定语从句的关系词。此处Asia是先行词，其在定语从句中作地点状语。