Theprojectmanagermustmaintainaneffectivecommunicationlinkwiththecustomer'ssatisfactionwiththeprogressoftheproject.Theprojectmanagermaintainsthislinkthrough().
A.periodic project reports,periodic visits to the customer,and telephonic exchanges B.subordinates,project team members,and the project sponsor C.one-time reports,weekly reports,and monthly reports D.the telephone,facsimile,and data transmission正确答案A
