A. come from mountainous regions B. live and work at far higher elevations above sea levels C. come from the modem industrial society D. have grand children and great grand children 参考答案:C 答案解析:文中第四段说,所有长寿之人都从他们所工作的环境中得到健康的回报。他们都来自山区。生活在海拔5000到12000英尺以上。空气稀薄无污染。第五段里又介绍说他们远离工业社会的压力与烦恼。所以A和B项不正确