Which of the following relationships represents a function?
A.
(-4,0), (3,3), (-6,1), (3,5)
B.
(-4,4), (3,6), (-4,3), (0,2)
C.
(-4,5), (3,3), (-6,2), (0,3)
D.
(-4,4), (4,6), (-4,3), (1,2)