Which is a purpose of the Controlling a Stage process? 

Answer options:

A. Assign work to be done and take corrective action to ensure that the stage remains within tolerance
B. Provide a fixed reference point at which acceptance for the project product is confirmed
C. Enable the Project Board to be provided with sufficient information to authorize the next stage
D. Enable the organization to understand the work that needs to be done to deliver the project`s products

A