How would you grant the RVPC user access to specific RMAN database records in the RMAN virtual private catalog?

How would you grant the RVPC user access to specific RMAN database records in the RMAN
virtual private catalog?

A.
Issue the grant command from the SYS user (or equivalent) of the target database.

B.
Issue the grant command from the SYS user (or equivalent) of the recovery-catalog database.

C.
Issue the grant command from the recovery catalog-owning schema user account in the
recovery catalog.

D.
Issue the grant command from RMAN when connected to the recovery catalog-owning schema.

E.
Issue the grant command from RMAN when connected to the target database.