Which statement is true about the command?

You issue the command:
SQL> ALTER DATABASE BACKUP CONTROLFILE TO TRACE;
Which statement is true about the command?

A.
It creates a copy of the control file and stores it in the location specified in the
diagnostic_dest initialization parameter.

B.
It creates a file that contains the SQL statement, which is required to re-create the control
file.

C.
It updates the alert log file with the location and contents of the control file.

D.
It creates a binary backup of the control file.