Youwanttopurgejobentriesolderthan5daysfromthejoblog.Youdonotwanttopurgewindowlogentries.Whichcommandwillyouusetoaccomplishthistask?()

A.EXECUTEDBMS_SCHEDULER.PURGE_LOG（log_history=>5，job_name=>’JOB1’）；

B.EXECUTEDBMS_SCHEDULER.PURGE_LOG（log_history=>5，job_name=>’JOB_LOG’）；

C.EXECUTEDBMS_SCHEDULER.PURGE_LOG（log_history=>5，which_log=>’JOB1’）；

D.EXECUTEDBMS_SCHEDULER.PURGE_LOG（log_history=>5，which_log=>’JOB_LOG’）；