Which of the Following Statements Regarding Critical Paths Is True

Multiple Choice

Which of the following statements regarding critical paths is true?

A) The shortest of all paths through the network is the critical path.
B) Some activities on the critical path may have slack.
C) Every network has only one critical path.
D) On a specific project,there can be multiple critical paths,all with exactly the same duration.
E) The duration of the critical path is the average duration of all paths in the project network.