Nowadays teens prefer going to the cybercafé ， ,as is known to us, they can chat with their friends by QQ or play games.
A. which
B. where
C. that
D. when
网友回答
A. which
(答案→)B. where
C. that
D. when
解析：此题考察定语从句，根据句意“他们在 cybercafé 和朋友聊天”，所以应选择.where在从句中作状语，所以答案B。