单选题A 有三个DRA（Data Recovery Advisor ）命令： ADVISE FAILURE; LIST FAILURE; REPAIR FAILURE; 应该按怎样顺序运行以修复问题？ A LIST, ADVISE, REPAIR B ADVISE, REPAIR (LIST不是必须的) C ADVISE, LIST, REPAIR D LIST, REPAIR (ADVISE不是必须的)