I NEED HELP ASAP!! I WILL GIVE YOU BRAINLIEST!!
Which table shows a proportional relationship between x and y?

A. x 1 2 3 4
y 6 8 10 12

B. x 40 50 60 90
y 8 10 14 18

C. x 2 4 7 8
y 6 10 21 24

D. x 4 7 8 10
y 2 3.5 4 5