单项选择题
All of the following are functions of CRM system except（）
A.automation procurement B.automation sales C.automation marketing D.automation customer service
A.V1.3 B.V1.5 C.V2.0 D.V3.0
A.变更控制记录 B.开发计划 C.项目总结报告 D.需求文件评审记录