Which piece of evidence explains what is causing schools to receive extra food this fall? (A) Meatless Mondays and Taco Tuesdays are already on the menus for school lunches. Now some may get Trade Mitigation Thursdays. (B) It's buying the food to help farmers hurt by trade negotiations. This is called trade mitigation. (C) The USDA has long purchased and distributed agricultural products to help farmers, who can face swings in supply and demand in any given year. (D) Schools account for a majority of the $27 million of products ordered for child nutrition programs.