Which of the following relations is not a function? Mark all that apply.
O A. {(-3, 8), (9, -12), (4, -1), (3, 8)}
O B. {(4,5),(4, - 7),(4,2), (4,0)}
O C. {(0,0), (4,0), (0.5, 4), (-4,4)}
OD. {(-6, -1),(5, -1), (0, -1), (3, -1)}
O E. {(5, -1}, (4, -2), (3, -3), (5, 1)}