A user has launched an EC2 Windows instance from an instance store backed AMI. The user has also set the Instance initiated shutdown behavior to stop. What will happen when the user shuts down the OS?

A. It will not allow the user to shutdown the OS when the shutdown behavior is set to Stop
B. It is not possible to set the termination behavior to Stop for an Instance store backed AMI instance
C. The instance will stay running but the OS will be shutdown
D. The instance will be terminated