题目内容：
Gaining customer acceptance is a detailed process of verifying and documenting project results to ensure the product(s) meets its intended use.．This process includes all of the following, except: （ ）A．Preparing, in advance, a strategy about how to close the project
B．Designating a single point of contact for the customer to speak to, when issues arise
C．Modification of the project baseline
D．Providing sufficient instructions for the proper use of the product by the customer A．预先准备怎样获得和完成项目的战略
B．设计客户联络的专线关系当有问题时
C．调整项目基准
D．提供详尽的产品使用说明方便客户正确使用
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