A Man Interested in Losing Weight and Increasing His Fitness

A man interested in losing weight and increasing his fitness followed a strict diet and exercise regimen for three months.Body fat analysis indicated that the man had lost 7 kg (about 15 pounds) of fat by following this exercise and diet program.What is the most likely form by which the fat left his body?

A) It was converted to heat,which was released to the environment.
B) It was released as CO₂ and H₂O.
C) It was converted to ATP,which weighs much less than fat.
D) It was broken down to amino acids and eliminated from the body.