某项目主要由A～I任务构成，其计划图（如下图所示）展示了各任务之间的前后关系以及每个任务的工期（单位：天），该项目的关键路径是（ ）。在不延误项目总工期的情况下，任务A 最多可以推迟开始的时间是（ ）天。
问题1
A.A→G→I
B.A→D→F→H→I
C.B→E→G→I
D.C→F→H→I
问题2
A.0
B.2
C.5
D.7
正确答案及解析
正确答案
解析
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