问题
单项选择题
On some projects, especially ones of smaller scope, activity sequencing, activity resource estimating. Activity duration estimating and (74) are so tightly linked that they are viewed as a single process that can be performed by a person over a relatively short period of time.
A．project planning
B．schedule development
C．cost estimating
D．time estimating
答案
参考答案：B
解析：[要点解析] 在某些项目，特别是在范围较小的项目中，活动排序、活动资源估算、活动历时估算和进度制订连接得如此紧密，以致于它们被视为是可以由一个人在相对较短的时间内执行的单独过程。