At minimum, which columns in the database are used to join a subtype with its dm_sysobject
supertype?

A.
object_name for the _s tables, r_object_id and r_version_label for the _r tables

B.
authors for the _s tables, r_object_id and i_position_id for the _r tables

C.
r_object_id for the _s tables, r_object_id and i_position_id for the _r tables

D.
r_object_id for the _s tables, r_object_id and keywords for the _r tables