During a project status review meeting, it becomes apparent that overall project performance fails short of excepted project objectives and that some key deliverables fail to meet customer requirements. What should the project manager do? 在项目状态审查会议期间，显而易见的是，整体项目效绩低于预期的项目目标，并且一些关键的可交付成果未能满足客户的需求。项目经理应该怎么做？ ◑A.Update the scope management plan and perform an alternative analysis更新范围管理计划并执行备选方案分析 ◑B.Use the Delphi technique and perform an alternative analysis使用德尔菲技术并执行备选方案分析 ◑C.Conduct a trend analysis and update the quality management plan.执行趋势分析并更新质量管理计划 ◑D.Perform root cause and alternatives analysis执行根本原因和备选方案分析
