在六次迭代之后，项目范围和进度发生了重大变化。其原因在于客户的定期审查的技术法规和安全政策。项目经理希望为下一次迭代提出一种新的方法以避免可能的延迟。项目经理首先应该做什么？
After six iterations, significant variations have occurred to project scope and schedule. These are due to the customer's technology regulations and security policies, which are regularly reviewed. The project manager wants to suggest a new approach to the next iteration to avoid possible delays. What should the project manager do first?
A ： 对每个改进项目的重要性进行排序，然后实施上次回顾中确定的行动。 Rank the importance of each improvement item, then implement actions identified during the last retrospective.
B ：进行成本效益分析，以帮助预测下一阶段通过使用新技术可能实现的利润。 Engage in a cost-benefit analysis that can help predict the profits that could be realized through the use of new technology for the next phase.
C ：研究在类似项目中取得成功的新技术趋势和管理工具。 Research new technology trends and management tools that have been successful on similar projects.
D ：使用待办事项列表的细化会议，并将客户的变更请求包括在讨论中。 Use a backlog refinement meeting and include the customer's change requests in the discussion.
正确答案：A
解析：知识点出处：敏捷实践指南 页码：P51 章节：5.2.1 回顾 来自团队的一位促进者引导团队通过一个活动对所有改进事项的重要性进行排序。完成对改进事项的排序后，团队为下一次迭代选择合适的数量。