Giving 11 points + brainliest 3. How have PSAs evolved over time? *
7 points
A) They started out in print and on the radio, but today, the Advertising Council controls them
B) At first they appeared as newspaper ads, but today the are delivered through many forms of media
C) Before the 1950s, there were very few PSAs; once TV was invented, the ads became numerous
D) None of these