问题：

[单选]

Your alert log file has the following information： Tue May 25 17：43： 38 2004 
ORA-00060： Deadlock detected. More info in file /u01/app/oracle/admin/ORCL/udump/orcl_ora_3173.trc. 
What would you do to ensure that database is still running correctly？（）

A . examine the trace file and kill the session that caused the deadlock
B . examine the trace file and kill both the sessions responsible for the deadlock
C . examine the trace file for details and ask the user who caused the deadlock to rollback the transaction
D . examine the trace file for details and remember that deadlocks are resolved automatically by Oracle database
E . examine the trace file for details and use the Undo Advisor to rollback the transaction that caused the deadlock