heDBAisabouttoenableauditingontheOracledatabaseinanattempttodiscoversomesuspiciousactivity.Audittrailinformationisstoredinwhichofthefollowingdatabaseobjectnames?()

A.SYS.SOURCE$

B.SYS.AUD$

C.DBA_SOURCE

D.DBA_AUDIT_TRAIL