Which of the following best describes prior restraint, a term relating to the treatment of classified material in the media?
A. A legal process preventing the publication or broadcast of certain information before it is disseminated.
B. A system of post-publication review of classified material to determine legality.
C. A voluntary agreement between media organizations and the government to delay the release of sensitive information.
D. A mechanism allowing the media to publish or broadcast classified material without any legal consequences.