A or D.
If you were wanting to get the most work completed then I would most likely choose A and have answer D as a second choice.
Hope this help and I'm sorry if it didn't. :))
Answer: Eat Plenty of Protein. The easiest change you can make to your diet to lose belly fat is to eat enough protein.
Add Vinegar to Your Diet.
Eat More Healthy Fats.
Drink Healthier Beverages.
Drink More Water.
Eat More Fiber.
Reduce Refined Carbohydrate Intake.
Try Intermittent Fasting.
The answer would be bronchitis. Hope I helped ^-^