While logged into a router you manually shut down the serial 0 interface using the "shutdown" interface configuration command. You then issue the "show interface serial 0" command in exec mode. What could you expect the status of the serial 0 interface to be?（）

• A、Serial 0 is up, line protocol is up
• B、Serial 0 is up, line protocol is down
• C、Serial 0 is down, line protocol is down
• D、Serial 0 is down, line protocol is up
• E、Serial 0 is administratively down, line protocol is down
• F、Serial 0 is administratively down, line protocol is up