Do these pairs of values (x and y) represent two quantities that are proportional?
X y
3 12
5 20
6 24
9 36
A. No, because none of the pairs is a simplified ratio.
B. Yes, because all of the pairs represent the same ratio.
C. No, because the y-values are not increasing at a constant rate.
O D. Yes, because as x increases, y increases.