I believe the answer is: hidden
Johari window is a psychological tool that help people understand their relationships with other people around them. Hidden area in johari window refers to the area that individual keep as a secret from other people around us, until we manage to found a certain someone that we can fully trust.
A is the correct answer.
The 1st Amendment, broadly, prohibits B-D.
Politicians, instead, go on Cable news shows and try to "spin" the stories to get the public to see their side of the issue. They might explain their side and why or they might spit out the party line.