Which statement describes the significance of the CHANGE FAILURE command in RMAN？（）

• A、 It is used to change failure priority only for HIGH or LOW priorities.
• B、 It is used to execute the advised repair script.
• C、 It is used to change failure priority only for the CRITICAL priority.
• D、 It is used to explicitly close the open failures.
• E、 It is used to inform the database about the repair after the repair script executes.