How should arouter that is being used in a Frame Relay network be configured to avoid split horizon issues from preventing routing updates?（）

A. Configure a separate sub-interface for each PVC with a unique DLCI and subnet assigned to the sub-interface
B. Configure each Frame Relay circuit as apoint-to-point line to support multicast and broadcast traffic
Configure many sub-interfaces on the same subnet
D. Configure a single sub-interface to establish multiple PVC connections to multiple remote router interface