A.whenallthecontrolfilesaremissingandonlyabinarybackupofthecurrentcontrolfileexists
B.whenamultiplexedcopyofthecurrentcontrolfileismissing
C.whenallthecontrolfilesaremissingandonlyascriptcontainingtheCREATECONTROLFILEstatementexists
D.whentheSPFILEismissing
正确答案:参考A



