B is your answer ok hope i help
Answer: it proves young people are best at retaining information that comes from advertisements.
Explanation:
The paragraph help contribute to the overall idea that advertisements play a significant role in American Life by proving that young people are best at retaining information that comes from advertisements.
According to Twitchell, while studying products, he soon realized thatvthe suddenly students were not interested in the advertisement per say but can flawlessly recite the contents of the advertisement. This shows that the students were more concerned with retaining of informations.
A simile becomes a cliche when it is overused. Pretty much any word or sentence formation becomes a cliche when overused, not just similes. An example of this would be saying that someone is "as blind as a bat", which has already become recognizable and widely used, making it a cliche.