单项选择题
A.To keep the project team focused on its work
B.To provide behind-the-scenes assistance with organizational commitment and support
C.To sign-off on user requirements
D.To negotiate contracts with outside vendors
单项选择题 Theprojectmanagerisdevelopingaprojectschedule.Theprojectmanagernegotiatedwithalltheexecutionorganizations，andthetasktimesareasshortaspossible.Aftermanipulatingtheschedule，theprojectcompletiondateisstillbeyondthedaterequestedbythebusinessownersoftheproject.Theprojectmanagerbelievesthatthecontentagreedonfortheprojectisappropriate，andconcludesthatthisscheduleshouldbetakentothebusinessownersandrenegotiated.Whichoneofthefollowingtoolswillhelptheprojectmanagerjustifytherevisedschedule？（）
单项选择题 WhatistheMOSTaccuratewaytodetermineaproject’sdurationbeforeexecution？（）
单项选择题 WithinInformationTechnologyprojects，communicationsbetweentheprojectmanagerandtheprojectteammembersshouldtakeplace：（）