The answer is A:
Identify and document the change request.
Track requests in the change request log.
Evaluate the impact and justification of the change.
Disposition the request at the change control board (CCB) and approve or deny.
Implement the change.
Validate the change and perform a quality check.
Update the project management plan, update the appropriate project documents, and
apply version control.
Coordinate and communicate with the appropriate stakeholders.