Which of these nutrients is the preferred energy source for the body?

Q. Which of these nutrients is the preferred energy source for the body?
A. B Complex Vitamins
B. Carbohydrates
C. Fats
D. Fiber
Answer: Carbohydrates

A. B Complex Vitamins
B. Carbohydrates
C. Fats
D. Fiber
Answer: Carbohydrates