all of the following tools and techniques are helpful to acurately confirming customers needs except （）
- A、questionnaires
- B、prototyping approaches
- C、fishbone diagrams
- D、interviews
正确答案:C
答案解析:有
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高级信息系统项目管理师
高级信息系统项目管理师
all of the following tools and techniques are helpful to acurately confirming customers needs except （）
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