After the flooding people were suffering in that area urgently needed clean water medici

问题补充：

After the flooding，people were suffering in that area， urgently needed clean water，medicine and shelter to survive.(·江苏，22)

A. which

B. who

C. where

D. what

答案：

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。