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.
That sounds a lot like autism. I’d say look up to saving money for a physicist or see if her doctor can to anything for y’all aswell