He is using the "Labeling" aspect of the categorization part of the perception process.
Labelling is portraying somebody or something in a word or short phrase.[1] For instance, depicting somebody who has infringed upon a law as a criminal. Labelling hypothesis is a hypothesis in human science which credits marking of individuals to control and distinguishing proof of degenerate conduct. It has been contended that labelling is fundamental for communication. However, the utilization of the term is frequently proposed to feature the way that the name is a depiction connected all things considered, as opposed to something characteristic for the named thing.
Your answer is B.
Mark brainliest if I am correct.
Marine biodiversity is in ever-greater danger
Political parties : people tend to choose the candidate from the party they're rooting for
peers/social background = People tend to choose those who are chosen by their peers
Election/personal beliefs = people tend to choose someone that has the same belief as them
TV/Radio = Can control people opinion through various news
internet = A medium where people can freely express their opinion and could influence others
hope this helps