The following databases are registered in the base recovery catalog： PROD1， PROD2， and PROD3. The database user CATOWNER owns the base recovery catalog. You want a new user VPC1 to have access to only the PROD1 database and create a virtual private catalog. Given below are some of the commands required to achieve this：   1.SQL> GRANT recovery_catalog_owner TO vpc1； 2.RMAN> CONNECT CATALOG vpc1/password@catdb；  3.RMAN> GRANT CATALOG FOR DATABASE prod1 TO vpc1； 4.RMAN> CONNECT CATALOG catowner/password@catdb；  5.RMAN> CREATE VIRTUAL CATALOG；   What is the correct sequence in which the commands have to be executed？（）  

• A、 1，4，5，2，3
• B、 1，4，3，2，5
• C、 4，5，2，3，1
• D、 2，3，4，5，1
• E、 1，4，2，3，5