Which of the Following Is True of the Critical Path

Multiple Choice

Which of the following is true of the Critical Path Method (CPM)

A) It allows us to investigate the effects of uncertainty of activity times on project completion times.
B) It uses the variance in the critical path activities to evaluate the risks associated with project completion times.
C) It assumes that activities are independent of one another, with clearly defined start and finish dates.
D) It accounts for the interruptions that may affect an activity between the start and the finish times.