Observe the following warning in an RMAN session of your database instance: WARNING: new failures were found since last LIST FAILURE command Which statement describes the scenario that must have produced this warning?（）

• A、The CHANGE FAILURE command has detected new failures recorded in the Automatic Diagnostic Repository(ADR)
• B、The VALIDATE DATABASE command has detected new failures recorded in the Automatic Diagnostic Repository (ADR)
• C、The ADVISE FAILURE command has detected new failures recorded in the Automatic Diagnostic Repository (ADR) since the last LIST FAILURE
• D、The RECOVER command has detected new failures recorded in the Automatic Diagnostic Repository (ADR) since the last LIST FAILURE command was executed