题目内容
【题目】Nowadays people are more concerned about the environment __________ they live.
A. what B. which
C. when D. where
【答案】D
【解析】考查定语从句。句意:现在人们更加关注他们居住的环境,定语从句的先行词是the environment。where是关系副词,引导定语从句时在从句中作状语,其先行词可以是表示地点的词,也可以是environment, situation等词。