The red set of dishes includes cups, plates, and bowls. It costs only fifty dollars. The blue set of dishes includes cups,plates, bowls, and mugs. It costs seventy-five dollars.
40. In this passage, dish sets are described by comparing their
 I. age   II. price   III. color   IV. contents
(A) I only
(B) I and II
(C) II and III
(D) II, III and IV