HELP! WORTH 25 POINTS. Which sets of ordered pairs represent functions from A to B? (Select all that apply.)
 A = {0, 1, 2, 3} and B = {−2, −1, 0, 1, 2}
 A. {(0, 2), (3, 0), (1, 1)}
 B. {(0, 0), (1, 0), (2, 0), (3, 0)}
 C. {(0, −1), (2, 2), (1, −2), (3, 0), (1, 1)}
 D. {(0, 1), (1, −2), (2, 0), (3, 2)}