.On Feb 27, Chinese Premier Wen Jiabao took part in online chat with Chinese netizens, who expressed interests and concerns over property prices, inflation, wealth gap and other social issues.
A. the ; a
B. an ; /
C. the; the
D. an ; the
网友回答
A. the ; a
B. an ; /
C. the; the
(答案→)D. an ; the
解析：考查冠词。句中an online chat with Chinese netizens一次与中国网民的在线交谈；the wealth gap and other social issues特指收入差距和其它社会话题，故选D。