Which of the following events would not explain excessive CPU utilization？（）

• A、A large number of BGP sessions
• B、A large BGP table
• C、A router is configured with the following command： ip route 0.0.0.0 0.0.0.0 fa 0/1
• D、All interface buffers are continually in use
• E、A flapping interface
• F、The router sends a large number of ARP requests