第23题: [单项选择]When the mongooses in Jamaica killed off the rats they ______. A. attacked the humans B. ate the sugar crop C. became problems themselves D. had nothing to eat 参考答案:C 答案解析:[分析] 本题题干问:mongooses in Jamaica吃光了老鼠后,会怎样呢 答案显然在第四段。原文说:the mongooses ate lambs,kids,puppies,and wil