Mrs. Hickman is making cookies. She uses 2 cups of sugar for every 3 tsp. of baking soda. Which proportion could be solved to find x, the number of teaspoons of baking soda needed for 12 cups of sugar?

Group of answer choices

A) 3/2=2/x

B) 12/x=12/3

C) 2/3=12/x

D) 2/3=x/12