Choice D, chocolate and spicy foods, is the correct answer to this question. Chocolate, especially dark chocolate, contains caffeine and similar compounds that induce wakefulness and disrupt the sleep cycle. Spicy foods often cause indigestion which leads to disrupted sleep, and some research also indicates that capsaicin, which is found in peppers, also affects sleep by changing body temperature.
Hinder means to create difficulty resulting in delay of someone or something so it cant be B. bananas and milk. The other two options have either banana or milk so it is D. Chocolate and spicy food which can be heavy on the stomach and cause discomfort.
The human body would not exist without enzymes because the chemical reactions required to maintain the body would not occur fast enough. The key to this is the catalytic power of enzymes which drives reactions.
You can be sensitive to sunlight if your genetics have a special combination. For example, red-haired people often have sensitivity to sunlight since they produce Vitamin D more easily with less sunlight.