How should the project manager ensure that these changes are managed effectively?

During execution of a complex project, the project manager encounters numerous change requests from various teams. These changes may result in the project not meeting its objectives.

How should the project manager ensure that these changes are managed effectively?
A . Include the changes in the backlog and review priorities with the product owner.
B. Record the changes using the risk register and continue monitoring.
C. Deny the change requests and keep delivering the project as planned.
D. Review the project and communications management plan with the main stakeholder.

Answer: A