What Have the Motion Picture and Television Industries Done in Response

What have the motion picture and television industries done in response to the threat of government regulation?

A) They have mounted major public relations campaigns against such regulation.
B) They have increased the number of lawyers they employ by almost 30% over the past decade.
C) They have imposed their own rating systems for their movies and television shows.
D) They have greatly improved the quality of the movies and television programs they produce.