许多学者认为（）目前为止是所有评价方法中最盛行的一种评价方法。

A.排序法

B.评分法

C.职位分类法

D.要素比较法

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