根据一位高级成员的意见，实施纠正措施以解决设计问题，实施后，该团队发现纠正措施未能提高设计质量。若要避免这个问题，项目经理应该事先做什么?

选择了： Referred to the change management plan,and ensure that change requests were formally authorize 参考变更管理计划，并确保变更请求得到正式授权。

选择了： Referred to the change management plan,and ensure that change requests were formally authorize 参考变更管理计划，并确保变更请求得到正式授权。

选择了： Ensured the design's corrective action was inspected and held a lesson learn session. 确保检查设计的纠正措施并召开经验教训会议。

选择了： Consulted the quality management plan,and assured that inspections and audits were conducted 查阅质量管理计划，并确保进行检查和审计。

选择了： Referred to the change management plan,and ensure that change requests were formally authorize 参考变更管理计划，并确保变更请求得到正式授权。

选择了： Ensured the design's corrective action was inspected and held a lesson learn session. 确保检查设计的纠正措施并召开经验教训会议。

选择了： Consulted the quality management plan,and assured that inspections and audits were conducted 查阅质量管理计划，并确保进行检查和审计。

选择了： Identified the risks,and documented the sources of overall project risks. 识别风险，并记录整体项目风险的来源。

选择了： Referred to the change management plan,and ensure that change requests were formally authorize 参考变更管理计划，并确保变更请求得到正式授权。

选择了： Consulted the quality management plan,and assured that inspections and audits were conducted 查阅质量管理计划，并确保进行检查和审计。