【名词&注释】
持续性(persistence)、关键词、知识点(knowledge point)、里程碑(milestone)、不具备(does not have)、可表示(can be expressed)
[单选题]Project schedule management is made up of six management processes including: activity definition, activity sequencing()and schedule control by order.
A. activity duration estimating, schedule developing, activity resource estimating
B. activity resource estimating, activity duration estimating, schedule development
C. schedule developing, activity resource estimating, activity duration estimating
D. activity resource estimating, schedule developing, activity duration estimating