A. The development of Universal Time. B. Different ways to measure time. C. Why we measure time the way we do. D. How the calendar came into being. 参考答案:C 答案解析:本文共三段。第一段讲日历起源之因;第二段讲作为现代时间概念的基础,古巴比伦如何划分年月日时分秒;第三段提及先后出现的测量时间的各种工具,并讲述世界时如何顺应时代发展而产生。A,B和D项都只概括了本文的