某商店同时出售两件商品，售价都是600元，一件是正品，可赚20%；另一件是处理品，要赔20%，以这两件商品而言，是赚，还是赔？

(2013·潍坊一中期末测试) After the flooding, people were suffering in that area, ________ urgently needed clean water, medicine and shelter to survive.

A．which　

B．who

C．where　

D．what