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.