Answer:
B. It places the emphasis on the wasted food
Explanation:
In a campaign against wasting food the importance should be in the wasted food, not in the people wasting it, the most important thing about the add is the central image that you are communicating, in this case the most important thing is not wasting food, so the emphasis on the food that is being wated is the most important thing. Every year in america 40% of the total supply of food is wasted that´s the main reason for this campaign.