Which of the following lists of ordered pairs is a function?
O A. (3,-2), (2,−1), (3, 4), (4,7)
B. (1,7), (2, 5), (3, 6), (4,1)
C. (0,4), (1, 2), (1, 0), (2, 3)
D. (2, 5), (3, 8), (4, 11), (4, 12)