To make the blood into food, the scientists first separated blood into its main parts: red cells, which carry oxygen; white cells, which fight infection; platelets, which help blood form clots; and plasma (the liquid part of blood). Then the scientists tested each part as an ingredient in various recipes. They found that plasma could be heated and then spiked with bacteria. The result? Blood “yogurt.” In another recipe, they concocted a paste of red blood cells and substituted it for cocoa butter to make blood “chocolate.” Which is the best summary of paragraph 3?

A
Scientists developed blood foods to deal with the problem of excessive waste from meatpacking plants and provide people with ultra-nutritious snacks.

B
Red blood cells, the part of your blood that carries oxygen, can be made into a paste, then blended with cocoa butter to create a blood “chocolate.”

C
The scientists discovered that, by blending separated blood components with other ingredients, they could create substitutes for common foods.

D
Scientists realized that they would need an appealing name for their food in order to interest consumers, especially those in