Now that you have a project plan, it$$s time to put the plan into action. You$$ve heard the saying, $$Plan your work and now work your plan$?$ This is the $$working your plan$$ part.

B$.$

This process group focuses on formal acceptance of the project$$s final deliverable. And makes that acceptance formal with a project sign$-$off.

C$.$

Management and$/$or your customer is authorizing the project or a project phase to begin.

D$.$

You and the key stakeholders are defining and refining the project goals and objectives.

E$.$

Your project team is doing the work, but it$$s up to you to measure and correct things to ensure that the project team is doing the work as it was planned.