You work in a company which uses SQL Server 2008. You are the administrator of the company database. Now you are in charge of a SQL Server 2008 instance. Now you get an order from your company CIO， you have to identify whether a database integrity check （DBCC CHECKDB） was run for a particular database.  Which log file should you examine？（）

• A、log.trc 
• B、default.trc 
• C、ERRORLOG 
• D、SQLAGENT