Question

Activity D on a CPM network has predecessors B and C, and has successor F. D has duration 6. B's earliest finish is 18, while C's is 20. F's late start is 26. Which of the following is definitely true?

A) B is a critical activity.

B) C is completed before B.

C) D has no slack but is not critical.

D) D is critical, and has zero slack.

E) F is critical, and has zero slack.

Answer

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