While tuning a SQL statement， the SQL Tuning Advisor finds an existing SQL profile for the statement that has stale statistics available. What would the optimizer do in this situation？（）  

• A、 It updates the existing SQL profiles with current statistics
• B、 It makes the statistics information available to GATHER_STATS_JOB
• C、 It initiates the statistics collection process by running GATHER_STATS_JOB
• D、 It logs a warning message in the alert log so that the DBA can perform statistics collection manually