When the AIM-CUE is being used, where do log messages go if the log file is full?（）

• A、The initial log file is named message.log.prev, and a new file named message.log is started. 
• B、Once the log file is full, the oldest log entries are dropped to make space for new entries. 
• C、When the log file becomes full, it is automatically copied to an external server and a new message.log file is started. 
• D、Once the log file becomes full, it stops logging new messages and the new log messages are lost.