Refer to the above exhibit. Why is the 140.140.0.0 network not used as the gateway of last resort even though it is configured first?（）

• A、The last default - network statement will always be preferred.
• B、A route to the 140.140.0.0 network does not exist in the routing table.
• C、Default - network selection will always prefer the statement with the lowest  IP address.
• D、A router will load balance across multiple default - networks; repeatedly issuing the show ip route command would show the gateway of last resort changing between the two networks.