While creating a procurement management plan, a project manager discovers that certain capabilities that exist within the organization are committed to other projects. What should the project manager do to meet this need? 在创建采购管理计划时，项目经理发现组织内部存在的某些资源正在为其他项目效力，项目经理应该怎么做来满足这种需求？ ◑A. Perform a make-or-buy analysis.开展自制或外购分析。 ◑B.Create a work breakdown structure (WBS).创建工作分解结构（WBS）。 ◑C.Develop a risk register.制定风险登记册。 ◑D.Start negotiations for staff assignments.开始人员分配谈判。
