A.Tokeeptheprojectteamfocusedonitswork
B.Toprovidebehind-the-scenesassistancewithorganizationalcommitmentandsupport
C.Tosign-offonuserrequirements
D.Tonegotiatecontractswithoutsidevendors
参考答案：B
ATokeeptheprojectteamfocusedonitsworkBToprovidebehind-the-
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