题目内容:
The project proceeded successfully until the customer asked for additional work not included in the contract.At that point the project team began to make changes to the specifications, delivery date, and schedule.What communication device should the project manager have demanded before any work was modified? ( )A.Meeting with the sponsor
B.Formal, written correspondence with the customer
C.Memo from the customer
D.Memo to the customer A.与业主的会议
B.与客户的正式的书面沟通
C.来自客户的备忘录
D.发给客户的备忘录
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答案解析: