What is the question to this?
<span>D. Animals understand one thing -- the fear of pain and the fear of death.
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Arrogant due to his fortune and growing up around similar characters. Snobbish due to mistreatment perhaps from a close friend in his childhood. And above all, honest, which may be a product of good upbringing and certainly insight on his true character.
Concentrate better, learn more, and are used to studying, in that order. Hope it helps! :)