Farmers grow the food and distributors deliver the food where it is needed. Which correctly shows where a comma is needed in the sentence? A. Farmers grow the food, and distributors deliver the food where it is needed. B. Farmers grow the food and distributors deliver the food, where it is needed. C. Farmers grow the food and distributors, deliver the food where it is needed. D. Farmers grow the food and distributors deliver the food where it, is needed.