The SET CONTROLFILE AUTOBACKUP FORMAT command， which you can specify either within a RUN block or at the RMAN prompt， overrides the configured autobackup in the session only.  What is the order of precedence？（） 1. SET within RUN  2. SET at RMAN prompt  3. CONFIGURE

• A、1,2,3 
• B、2,3,1 
• C、3,2,1 
• D、There is no precedence between RUN and the RMAN prompt. Each will override CONFIGURE in the session.