单选题：Given the AOE network of a project with 8 activities shown below

Given the AOE network of a project with 8 activities shown below, the earliest/latest completion time for node `2` is __. @[C](2)





A. 3 and 8
B. 3 and 3
C. 3 and 5
D. 5 and 8




A.3 and 8
B.3 and 3
C.3 and 5
D.5 and 8


答案：C