John is in the execution phase of a residential housing construction project. He has been informed of major scope changes from stakeholders in the middle of the project. These changes involve regulatory requirements from local authorities that may impact not only the scope but also the cost and duration of the project. What should be the FIRST approach from John in considering these changes?
A. Meet with the change control board to solicit some ideas on the new project plan
B. Create a report detailing the impact of scope changes on project parameters such as cost, quality and schedule
C. Add new tasks to the project plan and assign resources to account for regulatory changes
D. Escalate the scope changes to the sponsor and steering committee for their decision