After collecting all information about a new project and developing the project charter, the project manager concludes that the initial, high-level timeline is at risk. The client demands this timeline as a prerequisite to awarding the project. What should the project manager do? 收集完有关项目的所有信息并制定项目章程之后，项目经理得出结论认为最初的高层级时间表有风险。客户要求这个时间表是授予项目的先决条件。项目经理应该怎么做? ◑A.Officially inform the client the deviation to the timeline.正式向客户通知与时间表的偏差。 ◑B.Keep the timeline as is until project execution.保持该时间表直到项目执行为止。 ◑C.Commit to the high-level timeline and highlight constraints, the responsibility assignment matrix, and risk analyses.承诺该高层级时间表，突出制约因素，责任分配矩阵和风险分析。 ◑D.Begin the project based on the original plan.根据原计划开始项目。
