Which of the arguments below is not a reason beatty gives to promote book burning? a) in order to keep people happy, any book that make anyone unhappy must be burned. b) it is better for people to forget about the catastrophic events of the past, such as war, so they can focus on being happy. c) instead of focusing on knowledge, society is now solely focused on entertainment, and therefore, books are no longer necessary. d) reading causes too much enjoyment, and therefore it is not good for society.