In paragraph 1, why does the author mention the views of the philosophers of Classical Greece? A. To show how explanations about the appearance of cave painting during the Paleolithic have changed over time B. To present a theory about humans and art that may be applicable to the Paleolithic era C. To argue that Paleolithic paintings were created for the joy of painting, while Classical art was created to accurately represent the natural world D. To demonstrate that the Greek philosophers were the first to accurately understand Paleolithic art