Correct option is B
Theme: Healthy eating and nutrition choices and their health effects.
Why:
· (a) Coherent. Fruits and vegetables supply key vitamins and minerals—directly about diet.
· (b) Incoherent. Describes blood circulation; it’s human physiology, not nutrition.
· (c) Coherent. Whole grains and fiber relate to digestion—diet-focused.
· (d) Coherent. Replacing sugary drinks with water is a dietary choice affecting weight.
· (e) Coherent. Processed food and risks like diabetes—health impacts of diet.