某公司中标一个企业信息化系统开发项目，合同中该项目包括：人事系统、OA系统和生产系统。下图为项目经理制作的WBS，此处项目经理违反了关于WBS的 （ ） 原则。
- A.WBS需要考虑将不同的人员的工作分开
- B.WBS中各项工作是为提供可交付成果服务的
- C.可以按照系统子系统来逐层分解 WBS
- D.一个工作单元只能从属于某个上层单元
正确答案及解析
正确答案
D
解析
"OA系统"与"人事系统下面都有""员工培训"，这违反了WBS划分原则的"一个工作单元只能从属于某个上层单元"的原则。
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