A project manager completes a major IT development projects. The project manager confirms with the release manager that all systems are working and that functionality has been verified by the quality assurance learn.After informing the customer, what should the project manager do next? 一个项目经理完成一个主要的IT开发项目,项目经理与发布经理确认,所有系统都在工作,并且功能已经完成通过质量保证认证学习。通知客户后,项目经理下一步应该做什么? ◑A.Update the organizational knowledge base with the lessons learned以学习到的经验为基础更新组织知识库 ◑B.Update the risk register, project stakeholders, and project team members更新风险登记册、项目相关方和项目团队成员 ◑C.Close out the procurement plan完成采购计划 ◑D.Verify and complete the release documentation验证并完成发布文档