M: So this term, we're doing the book on marketing. Any business in a marketplace is likely to be in competition with other firms offering similar products.
(A) F: I am sorry. You spoke so rapidly that I did not catch the meaning of what you said. Could you repeat that? (B) F: The marketing book said it is likely to be in competition with other firms offering different products. (C) F: Sure. Since we are leaning marketing, we should aware other firms with similar products. (D) F: Sure. It is time to learn advertising since we have finished marketing last term.
C