After the flooding，people were suffering in that area， urgently needed clean water，medicine and shelter to survive.(2012·江苏，22)
A. which
B. who
C. where
D. what
网友回答
A. which
(答案→)B. who
C. where
D. what
解析：句意：洪灾过后，那个地区的人们正在受苦。为了生存，他们急需干净的水、药品和住所。将先行词people代入定语从句后为：people urgently needed clean water，medicine and shelter to survive，可知先行词在从句中作主语，所以排除C项；what不能引导定语从句，故排除D项；因为先行词为“人”，所以排除A项。故答案为B项。