己知某系统由A B C D E F六个活动构成，项目实习人员根据活动逻辑关系及历时等信息绘制了该系统的网络图，并给出了该系统的工期为9周，项目组其他成员纷纷提出意见。以下意见中（ ）是正确的。
- A.逻辑关系错误，项目工期应为7周
- B.有循环回路，项目工期是正确的
- C.节点序号编排不对，项目工期正确
- D.项目工期应为8周
正确答案及解析
正确答案
D
解析
暂无解析
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