On Log File Management, what happens to the current log file when it approaches the default limit?

On Log File Management, what happens to the current log file when it approaches the default limit?

A.
New Log file cannot be created when current file is opened

B.
The current file is appended to the new file

C.
The current Log file is opened in addition to the new Log file

D.
The current Log file is closed and written to disk with a name that contains the current date and time

E.
The current file is lost