You have two Google Cloud projects in a perimeter to prevent data exfiltration. You need to move a third project inside the perimeter; however, the move could negatively impact the existing environment. You need to validate the impact of the change. What should you do?

A. Enable Firewall Rules Logging inside the third project. B. Modify the existing VPC Service Controls policy to include the new project in dry run mode. C. Monitor the Resource Manager audit logs inside the perimeter. D. Enable VPC Flow Logs inside the third project, and monitor the logs for negative impact.