What is the function of CCB?变更控制委员会(CCB)是什么职能的组织?
A. It is composed of representatives of main stakeholders who are responsible for approving or rejecting the change of project benchmark 由负责批准或否决项目基准变更的主要干系人的代表所组成
B. Consists of key project team members who are responsible for approving or rejecting project baseline changes由负责批准或否决项目基准变更的主要项目团队成员所组成
C. It is composed of the main administrative personnel responsible for approving or rejecting the change of project benchmark由负责批准或否决项目基准变更的主要行政人员所组成
D. It is composed of senior managers who are responsible for approving or rejecting the project benchmark change由负责批准或否决项目基准变更的高级管理人员所组成