某项目计划08年12月5日开始进入首批交付的产品测试工作，估算工作量为8（人）×10（天），误差为2天，则以下（）理解正确（天指工作日）。
- A.表示活动至少需要8人天，最多不超过10人天
- B.表示活动至少需要8天，最多不超过12天
- C.表示活动至少需要64人天，最多不超过112人天＜br>
- D.表示活动至少需要64天，最多不超过112天
正确答案及解析
正确答案
B
解析
该产品测试工作需要的工作量为：8人工作10天，为80人天。产品测试工作的历时为10±2天，因此该产品测试工作的历时在8～12天之内。
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