During the project execution phase, Estimate at Completion (EAC) made by the project manager is higher than Budget at Completion (BAC). What should the project manager do after confirming the accuracy of the calculation? 在项目执行阶段，项目经理完工估算（EAC）高于完工预算（BAC）。在确认过计算的准确性后，项目经理应该做什么？ ◑A.Prepare bottom-up EAC values for project stakeholders.为项目干系人准备自下而上的EAC值。 ◑B.Request the project sponsor to approve the Variance at Completion (VAC) forecast.请求项目发起人批准完工偏差（VAC）预测。 ◑C.Request the project sponsor to approve the Cost Performance Index (CPI) according to the EAC and BA◑C.根据EAC和BAC请求项目发起人批准成本绩效指数（CPI）。 ◑D.Take action based on the assessment of To-Complete Performance Index (TCPI).基于完工尚需绩效指数（TCPI）的评估采取行动。
