Which statement about Frame Relay is not true？（）

• A、Static mapping is used when the remote router does not support Inverse ARP.
• B、Frame Relay Inverse ARP requires LMI capability to construct an address to the DLCI mapping tableon the router.
• C、Frame Relay Inverse ARP is disabled by default in Cisco IOS Software for all protocols that areenabled on the physical interface.
• D、Inverse ARP does not work when LMI is disabled.
• E、Frame Relay provides forward and backward congestion notification messages