Refer to the exhibit. A network engineer is configuring customer edge routers to finalize a L2VPN over MPLS deployment. Assume that the AToM L2VPN service that connects the two CEs is configured correctly on the service provider network.Which action causes the solution to fail?

A. OSPF does not work with L2VPN services. B. The routing protocol network types are not compatible. C. A loopback with a /32 IP address has not been used. D. The xconnect statement has not been defined.