A project has been underway for six months when someone realizes that the cost management plan is no longer valid due to a recently approved change in the required level of accuracy. What should the project manager do? 一个项目已经进行了六个月，这时有人意识到由于最近批准的所需准确度方面的变更，成本管理计划不再有效，项目经理应该怎么做？ ◑A.Ask the team to review and revise the cost management plan要求团队审查并修订成本管理计划 ◑B.Facilitate a team meeting to review the work breakdown structure (WBS), analyze each work package, and update the cost促成一次团队会议，以审查工作分解结构（WBS）、分析每个工作包并更新成本 ◑C. Conduct a team meeting to discuss the change and lead the team in updating the cost management plan.召开一次团队会议，以讨论变更并带领团队更新成本管理计划 ◑D.Review this change’s impact on budget with the team and determine if a change in the cost management plan is necessary与团队一起审查此变更对预算的影响，并确定是否有必要对成本管理计化进行变更
