Answer:
The function of the commas in this sentance is to seperate the thoughts, one being "Isn't it fanciful notion that any adult could actually understand teenager's mind?" and "As our parents always said"
Parenthesis could be used instead of the commas.
Explanation:
The author is thinking of adding one of these sentences. The sentence that contains a fallacy is Unless everyone in the U.S. including our grandparents can successfully use social media, we will be left behind.
<h3>What is a fallacy?</h3>
Fallacy is making or giving a wrong statement or move in constructing a false statement strongly true so that people believe it's true. Fallacy is used by politicians in the propaganda of their parties' promotion.
Thus, the correct option is B, We will fall behind if no one in the U.S., unless our grandparents, can use social media effectively.
Learn more about fallacy
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I dont get it whats the question
