Martha used 23 tablespoons of pepper to make 16 liters of gravy. If Martha's recipe is for 1 liter of gravy, how much pepper will she need to make double the recipe?

Responses
A 12 tablespoons of pepper
B 2 tablespoons of pepper
C 4 tablespoons of pepper
D 8 tablespoons of pepper

D. 8 tablespoons of pepper