(71)A．activity duration estimating，schedule develo

单项选择题

Project schedule management is made up of six management processes including：activity definition，activity sequencing，(71)，and schedule control by order． Many useful tools and techniques are used in developing schedule．(72)is a schedule network analysis technique that modifies the project schedule to account for limited resource． Changes may be requested by any stakeholder involved with the proj ect，but changes can be authorized only by(73)． Configuration management system can be used in defining approval level s for authorizing changes and providing a method to validate approved changes．(74)is not a project configuration management tool． Creating WBS means subdividing the major project deliverable into smaller components until the deliverable are defined to the(75)level．

(71)

A．activity duration estimating，schedule developing，activity resource estimating
B．activity resource estimating，activity duration estimating，schedule developing
C．schedule developing，activity resource estimating，activity duration estimating
D．activity resource estimating，schedule developing，activity duration estimating