A work breakdown structure is a ______.

A.
Result of the Collect Requirements process

B.
Deliverable oriented grouping of project elements that organizes and defines the total scope of the project

C.
Structure that can be used to track the project’s time, cost, and quality performance against a defined baseline

D.
Valuable communications tool, but cannot be used to establish the number of required networks for Control Costs

Explanation:
WBS :Deliverable oriented grouping of project elements that organizes and defines the total scope of the project