Which of the following is a benefit of a work breakdown structure (WBS)?

Which of the following is a benefit of a work breakdown structure (WBS)?

A.
It can determine the amount of progress on the project.

B.
It can quickly identify the projects major deliverables and underlying activities with graphical representation.

C.
It can quickly identify the probability and impact of project risks.

D.
It allows a real time analysis of actual project costs compared to the project baseline to determine the project variances.