Which Is the Most Recent Innovation in the Method by Which

Which is the most recent innovation in the method by which an agency creates regulations?

A) The agency invites representatives of all concerned parties, usually businesses, to meet to assist the agency in drafting the proposed rule. This process is called negotiated rule making.
B) The agency staff studies the problem and reaches a tentative solution, publishing it in P. Richards Almanac as a proposed rule, giving the public the opportunity to comment before federal district courts.
C) The agency holds a hearing asking each competing interest to present a draft of the proposed regulation. The agency considers each draft as well as supporting testimony and selects the best from among those submitted.
D) Congress includes the regulations in the National Agency Empowerment statute.