What does the author mean when he or she writes, "No matter which side you agree with, you should always consult with your doctor before changing your diet"? A. It is important to seek the advice of a health professional before making drastic diet changes. B. Doctors are more likely to agree that a vegetarian diet is the best choice for everyone. C. A doctor would convince you that keeping lean meats in your diet is the healthiest choice. D. A health professional can refer you to a qualified dietician and personal trainer for weight loss.