YouareworkingasaDBAinanorganization.Theflashrecoveryareafilesarecreatedin’+disk1’.Youwanttocreatenewflashrecoveryareafilesinthe’+disk2’location.Thenewlocationoftheflashrecoveryareafilesshouldbewritteninthecontrolfileandthespfile.Whichcommandwillyouissuetochangethelocationoftheflashrecoveryareafiles？（）
A.ALTERSYSTEMSETDB_RECOVERY_FILE_DEST=’+disk2’；
B.ALTERSYSTEMSETDB_RECOVER_FILE_DEST=’+disk2’SCOPE=BOTH；
C.ALTERSYSTEMSETDB_CREATE_FILE_DEST=’+disk2’；
D.ALTERSYSTEMSETDB_CREATE_ONLINE_LOG_DEST_n=’+disk2’；