Which of these is the correct set of steps for the Continual Service Improvement Model?

A.
Devise a strategy; Design the solution; Transition into production; Operate the solution; Continually Improve

B.
Where do we want to be?; How do we get there?; How do we check we arrived?; How do we keep the momentum going?

C.
Identify the required business outcomes; Plan how to achieve the outcomes; Implement the plan; Check the plan has been properly implemented;Improve the solution

D.
What is the vision?; Where are we now?; Where do we want to be?; How do we get there?; Did we get there?; How do we keep the momentum going?