The Frame Relay network in the diagram is not functioning properly. What is the cause of the problem?（）

• A、The Gallant router has the wrong LMI type configured
• B、Inverse ARP is providing the wrong PVC information to the Gallant router
• C、The S3 interface of the Steele router has been configured with the frame-relay encapsulation ietf command
• D、The frame-relay map statement in the Attalla router for the PVC to Steele is not correct
• E、The IP address on the serial interface of the Attalla router is configured incorrectly