Answer:
c) commercial encouraging parents to talk to their children about drugs
Explanation:
The following options are missing:
a) a commercial advertising an unscented detergent
b) a magazine ad for vodka
c) commercial encouraging parents to talk to their children about drugs
d) a lawn sign for a congressional candidate
The public service announcement are advertises that try to raise awareness in the population and change public attitudes and behavior towards social issues, like drug or alcohol addictions, sexually transmitted disease, avoid driving if you drink, and avoid texting while driving, among others.
