Look off a friend, or google the book?
D because it is comparing two things for clarification.
instinct is an important art of survival
I think
The correct answer is <em>B). Stressful fall and winter holidays generally cause payment rates to drop.
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According to the authors, the personal mood seems to <em>affect honesty in the high-cheating holidays because this period is fraught with miscellaneous anxieties and the high expectations of loved ones.</em> Then, many people prefer to cheat in order to have an advantage.
Freakonomics is a book written by economist Steven D. Levitt and journalist Stephen J. Dubner. The full title is “Freakonomics: A Rogue Economist Explores the Hidden Side of Everything” was published on April 12, 2005.
