You restore and recover your database to a new host by using an existing RMAN open database backup. Which step must you perform next? 

Answer options:

A. Execute catproc.sql to recompile invalid PL/SQL modules.
B. Open the database with the resetlogs option.
C. Set a new database identifier (DBID) for the newly restored database.
D. Use the RMAN set newname and switch commands to switch to new files.

A