In paragraph 4, why does the author mention a show about a cartoon lion in which an advertisement appears featuring the same lion character? A. To help explain what is meant by the term "host selling" and why it can be misleading to children B. To explain why the role of celebrities in advertising aimed at children has often been confused with host selling C. To compare the effectiveness of using animated figures with the effectiveness of using celebrities in advertisements aimed at children D. To indicate how Kunkel first became interested in studying the effects of host selling on children