Whichofthefollowingrepresentsthecorrectwaytoperformanonlinerecoveryofdatafile4,whichisassignedtoatablespacecalledUSERS?()

A.shutdownrestoredatafile4；recoverdatafile4；alterdatabaseopen；

B.Sqlalterdatabasedatafile4offline；restoredatafile4；recoverdatafile4；alterdatabaseopen；

C.Sqlalterdatabasedatafile4offline；restoredatafile4；Sqlalterdatabasedatafile4online；

D.Sqlalterdatabasedatafile4offline；restoredatabasedatafile4；recoverdatabasedatafile4；Sqlalterdatabasedatafile4online；

E.Sqlalterdatabasedatafile4offline；restoredatafile4；recoverdatafile4；Sqlalterdatabasedatafile4online；