A project manager is having problems closing a project because the stakeholders did not accept the majority of the deliverables described in the project charter. What should the project manager do? 项目经理在收尾一个项目时遇到问题，因为相关方不接受项目章程中描述的大部分可交付成果，项目经理应该做？ ◑A.Update the project charter更新项目章程 ◑B.Submit a change request提交变更请求 ◑C.Update the scope management plan更新范围管理计划 ◑D.Validate the scope核实范围
