The project manager received a call from the supplier saying that due to the flooding at the factory, deliverables will be seriously delayed. What should the project manager do next? 项目经理接到来自供应商的电话，说由于工厂发生洪水，可交付成果将发生严重延期，项目经理下一步应该怎么做？ ◑A.Check the agreement or purchase order检查协议或采购订单 ◑B.Update the project schedule更新项目进度计划 ◑C.Submit a contract change request提交一份合同变更请求 ◑D.Confirm the Statement of Work (SOW)确认工作说明书（SOW）
