单项选择题
A.Developing key personnel
B.Leading technical specialists
C.Interfacing with customers / sponsors
D.Analyzing skills
单项选择题 Whydoesaprojectmanagerneedanexecutivesponsor？（）
单项选择题 Theprojectmanagerisdevelopingaprojectschedule.Theprojectmanagernegotiatedwithalltheexecutionorganizations，andthetasktimesareasshortaspossible.Aftermanipulatingtheschedule，theprojectcompletiondateisstillbeyondthedaterequestedbythebusinessownersoftheproject.Theprojectmanagerbelievesthatthecontentagreedonfortheprojectisappropriate，andconcludesthatthisscheduleshouldbetakentothebusinessownersandrenegotiated.Whichoneofthefollowingtoolswillhelptheprojectmanagerjustifytherevisedschedule？（）
单项选择题 WhatistheMOSTaccuratewaytodetermineaproject’sdurationbeforeexecution？（）