问题：

[单选] 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.