Shy people often avoid situations would force them into close contact with other people．
A. where
B. which
C. when
D. what
网友回答
A. where
(答案→)B. which
C. when
D. what
解析：考查定语从句。本题先行词为situations，在定语从句中作主语，故用关系代词which或者that。句意：害羞的人常常避免将迫使他们与其他人密切接触的情况。故B正确。