项目变更是项目管理中的一项重要工作，项目变更控制委员参与变更管理时，一般不进行（ ）工作
- A.变更执行
- B.变更结果确认
- C.变更计划确认
- D.变更方案选择
正确答案及解析
正确答案
解析
项目管理委员会（也称变更控制委员会CCB—Change Control Board），也称配置控制委员会(CCB)或相关职能的类似组织。是项目的所有者权益代表，负责裁定接受哪些变更。
CCB是决策机构，不是作业机构；通常CCB的工作是通过评审手段来决定项目基准是否能变更，但不提出变更方案。CCB由项目所涉及的多方人员共同组成，通常包括用户和实施方的决策人员。
项目经理在变更中的作用，是响应变更提出者的需求，评估变更对项目的影响及应对方案，将需求由技术要求转化为资源需求，供授权人决策。并据评审结果实施，确保项目基准反映项目实施情况。
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