一名工程师在没有提交变更请求的情况下，完成一名项目相关方的可 交付成果变更要求。项目经理应该怎么做？  An engineer completes a stakeholder request for a change in a deliverable without submitting a change request. What should the project manager do?  A ：获得为何进行变更的相关信息 Obtain information about why the change was made  B ： 审查变更的影响，并提交变更请求 Review the impact of the change, and submit a change request  C ：更新问题日志 Update the issue log  D ：指示该工程师撤销变更 Instru ct the engineer to undo the change