Shy people often avoid situations would force them into close contact with other peopleA.

问题补充：

Shy people often avoid situations would force them into close contact with other people．

A. where

B. which

C. when

D. what

答案：

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。