During the project execution phase, the project sponsor communicates directly with team members and subcontractors. Project sponsors occasionally provide them with guidance on implementation methods, work skills and task prioritization. What should the project manager do? 在项目执行阶段，项目发起人直接与团队成员和分包商沟通。项目发起人偶尔向他们提供有关实施方法、工作技巧和任务排序的指导。项目经理应该怎么做？ ◑A.Use interpersonal skills to let project sponsors review the communication management plan.使用人际关系技能让项目发起人查阅沟通管理计划。 ◑B.Update stakeholder engagement plan, prohibit project sponsor from directly communicating with project team and subcontractors.更新相关方参与计划，禁止项目发起人与团队和分包商直接沟通。 ◑C.Update the RACI matrix.更新执行、负责、咨询和知情（RACI）矩阵。 ◑D.Update the project sponsor's communication with the team and subcontractors to the issue log.将项目发起人与团队和分包商的沟通更新到问题日志。
