All the following are needed to create the WBS EXCEPT？

项目经理制定了一份项目范围的详细描述，项目经理应该使用下列哪一项工具和技术来提交项目范围说明书

下列哪个最好的描述了项目管理计划？

所有被认可的变更应在()中体现。

Which of the following needs to be completed before resources can be finalized for the project？