Which statement best describes how the author introduces and develops the main idea that pet owners must educate themselves to provide the best nutrition possible for their pets? a the author presents evidence throughout the text that canned pet food is the most responsible choice pet owners can make for their animals. b throughout the text, the author describes a different aspect of the pet food manufacturing process, giving readers a thorough understanding of how different pet foods are made. c throughout the text, the author examines a different aspect of the pet food industry to reinforce the idea that some food may not be as healthy as it appears to be. d the author repeats the message that the pet food industry is not as transparent as it should be, encouraging readers to insist on closer regulation of pet food manufacturing.