There must have been something wrong with the society no one offers to help those who are in trouble.
A. when
B. where
C. which
D. that
网友回答
A. when
(答案→)B. where
C. which
D. that
解析：这题考查定语从句：先行词是society，定语从句中不缺主宾表，用where引导=in which，句意是：在有困难每人帮助的社会一定出了问题。选B。