Which sentence below uses commas correctly? a. james and karl went to the zoo and saw seven monkeys, twelve different snakes, three elephants, one hippo, and so many ducks that they lost count. b. james and karl went to the zoo, and saw seven monkeys twelve, different snakes, three elephants one, hippo and so many ducks that they lost, count. c. james and karl, went to the zoo and saw seven monkeys twelve different, snakes three elephants, one hippo and so many, ducks that they lost count. d. james, and karl went to the zoo and saw seven monkeys, twelve different snakes, three elephants one hippo, and so many ducks that they lost count.