单选题 Why did file people kill the rats?[A] To get some money.[B] Because the rats attacked them at night.[C] To help the city office to make the city clean.
【正确答案】 A
【答案解析】[解析] 市政府开始发布命令捕杀老鼠时，市民们都很懒，捕杀不了多少老鼠。市政府许诺将收购死老鼠以后，很多人大量地捕捉老鼠，为了得到奖金。