A team member is eager to add new features being considered by the customer to the project deliverable. Before beginning work on these new features, whose approval is required? 一位团队成员急于将客户正在考虑的新功能添加到项目可交付成果中。在开始为这些新功能工作之前,需要谁的批准? ◑A.Project manager项目经理 ◑B.Change control board (CCB)变更控制委员会(CCB) ◑C.Project sponsor项目发起人 ◑D.Subject matter expert (SME)主题专家(SME)