Which of the following is an example of the legalization of prostitution?

Which of the following is an example of the legalization of prostitution?
A) A state's laws are changed to reduce the penalty for prostitution from a term in jail to a small fine
B) A state's laws are changed to reduce the criminal penalty for prostitution and to provide alternative employment programs for women involved in prostitution
C) A state's laws are changed to reduce the criminal penalty for prostitution and to require prostitutes to participate in counseling
D) A state's laws are changed to permit adult women to offer paid sexual services without criminal penalty