What New Responsibility Was Assigned to Cardinals in the Aftermath

What new responsibility was assigned to cardinals in the aftermath of the Council of Trent?

A) They took command of the military activities initiated by the papacy.
B) No new responsibilities were delegated to the cardinals, for these officials were demoted to ceremonial functions only.
C) The cardinals were assigned to public-relations duties.
D) Cardinals presided over committees that issued the indexes of forbidden books.
E) Cardinals supervised the missionary work conducted by Jesuits and other orders.