Your organization has a Google Cloud Virtual Private Cloud (VPC) with subnets in us-east1, us-west4, and europe-west4 that use the default VPC configuration. Employees in a branch office in Europe need to access the resources in the VPC using HA VPN. You configured the HA VPN associated with the Google Cloud VPC for your organization with a Cloud Router deployed in europe-west4. You need to ensure that the users in the branch office can quickly and easily access all resources in the VPC. What should you do?

A. Create custom advertised routes for each subnet. B. Configure each subnet’s VPN connections to use Cloud VPN to connect to the branch office. C. Configure the VPC dynamic routing mode to Global. D. Set the advertised routes to Global for the Cloud Router.