Which of the Following Statements Regarding CPM Is True

Multiple Choice

Which of the following statements regarding CPM is true?

A) The critical path is the shortest of all paths through the network.
B) The critical path is that set of activities that has positive slack.
C) Some networks have no critical path.
D) All activities on the critical path have their LS equal to the maximum EF of all immediate predecessors.
E) All activities on the critical path have their ES equal to their LF.