The correct answer to this open question is the following.
Although there are no options attached we can say the following.
Michael Pollan conducted extensive research in The Omnivore's Dilemma. What research question was he trying to answer throughout his journey, was if the American people have been conscious about the food they eat and the way they eat with so many options to choose from.
Here, we are referring to American author Michael Pollan, who wrote the book " Omnivore's Dilemma" in 2006.
In his book, Pollan refers to modern technologies and transportation advances, people had fewer options for food that were based on culture, tradition, and the food that was produced locally. However, as time went by and modernity advanced, there are too many options to choose from and people pay less attention to the quality of food they are having. He also critiques the quality of nutrition of the American people.
The answer for your question is B: Formal
A really good way to find comparisons if you can't think of any is to google the summary of the story and character descriptions from sparknotes, or where ever. That usually helps me when writing c/c essays.
It means he is making a rude gesture.
