A SysOps administrator manages an AWS CloudFormation template that provisions Amazon EC2 instances, an Elastic Load Balancer, and Amazon RDS instances. As part of an ongoing transformation project, CloudFormation stacks are being created and deleted continuously. The administrator needs to ensure that the RDS instances continue running after a stack has been deleted.
Which action should be taken to meet these requirements?

A. Edit the template to remove the RDS resources and update the stack.
B. Enable termination protection on the stack.
C. Set the DeletionPolicy attribute for RDS resources to Retain in the template.
D. Set the deletion-protection parameter on RDS resources.