（ ）estimating is a technique for estimating the duration or cost of an activity ou project using historical data from a similar activity or project.
A.Parametric B.Analogous C.Three-point D.Expert judgment正确答案B
（ ）estimating is a technique for estimating the duration or cost of an activity ou project using historical data from a similar activity or project.
A.Parametric B.Analogous C.Three-point D.Expert judgment正确答案B
