Projectschedulemanagementismadeupofsixmanagementprocessesincluding:activitydefinition,activitysequencing,(),andschedulecontrolbyorder．
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正确答案B
