David has been hired as project manager of an IT implementation project. There has been several change requests that could have a major impact on project scope, cost and/or schedule. David evaluated the impact of changes and the Change Control Boards (CCB) has just approved the change requests. Nevertheless, the project sponsor is not a member of the CCB. What should David do next?
A. Ask for approval of the project sponsor.
B. Update project baselines.
C. Inform key stakeholders about changes to be carried out.
D. Implement the changes.