Why Did the Movie Industry Under the President of the Motion

Why did the movie industry under the president of the Motion Picture Producers and Distributors of America Will H.Hays begin to censor films?

A) Because Hollywood wanted to be responsible and not produce films that would lead to criminal or immoral behavior.
B) Because many states and communities were threatening to set up local censorship boards that might have inconsistent standards of what they would or would not accept.
C) Because actors and actresses had protested having to do nude scenes in films.
D) Because talking films seemed much more explicit to audiences than did silent films.