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
正确答案是A