In what order would you execute the following steps to create a recovery catalog？（） a.Issue the create catalog command.  b.Create the recovery-catalog database.  c.Create the recovery-catalog user.  d.Grant the recovery_catalog_owner privilege to the recovery-catalog user.  e.Issue the register database command from the target database.

• A、a，b，c，d，e
• B、b，a，d，c，e
• C、b，c，d，a，e
• D、b，c，d，e，a
• E、b，d，c，a，e