单项选择题
Changes may be requested by any stakeholder involved with the project,but changes can be authorized only by()
A.executive IT manager B.project manger C.change control board D.project sponsor
A.PERT B.Resource levelling C.Schedule compression D.Critical chain method
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