Which statement would best support the claim that, in order to be healthier, teenagers should avoid sodas and snacks made with sugar?

A. Some teenagers cannot eat sugary snacks because of allergies and diabetes.
B. Buying fruit in bulk can make it as inexpensive as sugar snacks.
C. Many parents do not allow their children to eat sugar-filled snacks and sodas.
D. Studies show that high-sugar snacks can cause fatigue and increase hunger.