The answer is C. You don't really need the others because they don't impact your physical health. If you think about it that way!!
Replacing damaged electrical cords is not a strategy to prevent falls.
Most people are allergic to eggs, peanuts, milk, shellfish, wheat, and soy. Precautions you can take is to not cross contaminate, and not eat any foods your allergic to and always carry and Epi pen. Symptoms of a food allergy may be throwing up, hives, rashes, digestive problems, throat closing up, tingling lips, nausea, diarrhea, indigestion. A food allergy can last anywhere from a few minutes to two days long.
Parenting is hard sometimes but it is good to be rewarded for good behavior. that is how you train someone.