The answer is B because when the product is still being used after it's expiration date, it has higher chances of having mold or spoiling. That's why you would always want the product with the latest expiration date, so that the product won't expire so early. In which could mean that that type of product is the freshest.
Fun fact: i don’t think any of us asked
A. A UNIT OF ENERGY SUPPLIED BY FOOD.
A calorie is a unit of energy. Historically, scientists have defined "calorie" to mean a unit of energy or heat that could come from a variety of sources, such as coal or gas. In a nutritional sense, all types of food — whether they are fats, proteins, carbohydrates or sugars — are important sources of calories, which people need to live and function.
