Which are the three levels at which the Segment Advisor generates advice?（）

A.add data files to the tablespace 
B.identify the segments that you should shrink 
C.modify the storage parameters for the tablespace 
D.automatically shrink the segments with unused space 
E.check the alerts generated for the tablespace that is running low on space

A.Segment Advisor 
B.SQL Tuning Advisor 
C.SQL Access Advisor 
D.Segment Resource Estimation 
E.Automatic Database Diagnostic Monitor (ADDM)