题目内容：
Each box is an activity；the number it contains is the duration of the activity in days.The duration of the critical path is.
A.16 days
B.14 days
C.19 days
D.20 days
参考答案：
答案解析：
选择题：Each box is an activity；the number it contains is the duration of the activity i
- 题目分类：软件水平考试
- 题目类型：选择题
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