Concerning PERT and CPM,which of the Following Statements Is Correct

Multiple Choice

Concerning PERT and CPM,which of the following statements is correct?

A) These are two different names for what is essentially the same technique.
B) CPM tends to focus more on the critical path.
C) PERT gives a clearer indication of activity slack,while CPM gives a better picture of path slack.
D) Because of its recent discovery,much less is known about CPM than PERT.
E) Neither provides as much detail as a Gantt chart.