A project manager learns that there are resources that have been assigned to the project without their awareness. After investigation, the project manager discovers that the resources were legitimately required.What should the project manager have done to avoid this miscommunication? 项目经理得知在他们不知情的情况下已经为项目分配了资源，经过调查，项目经理发现这些资源需求是合理的。若要避免这种沟通不畅的情况，项目经理事先应该做什么？ ◑A. Personally created the resource management plan亲自创建资源管理计划 ◑B. Updated the procurement and cost management plans更新采购和成本管理计划 ◑C.Clearly defined and communicated the roles and responsibilities of each resource明确定义并沟通每个资源的角色与职责 ◑D.Revised the communications management plan修订沟通管理计划
