Which choice displays correct use of both parallel structure and commas? a) the following items were in the refrigerator: milk, cheese, bread, and soda. b) the following items, were in the refrigerator: milk, cheese, bread, and soda. c) the following items were in the refrigerator: milk, cheese, there was bread, and soda. d) the following items were in the refrigerator: milk, cheese, bread, and we also had soda.