搜题，就来89问答库all of the following tools and techniques are helpful to acurately confirming customers needs except （） A: questionnairesB: prototyping approachesC: fishbone diagramsD: interviews
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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
请帮忙给出正确答案和分析，谢谢！
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