A bank is executing a project to deploy new software throughout the organization. After completing the first phase of the project, the project manager calls a meeting with functional managers from all departments to review project issue and capture lessons learned.What should the project manager use during the meeting to examine project issues and analyze lessons and learned?
一家银行正在执行一个项目，在整个组织中部署新软件。在完成项目的第一阶段后，项目经理召集所有部门的职能经理召开会议，以审查项目问题并收集经验教训。项目经理应该在会议期间使用什么来检查项目问题并分析经验教训？
◑A.Brainstorming头脑风暴
◑B.Cause-and-effect analysis因果分析
◑C.Expert judgment专家判断
◑D.Scatter diagrams散点图