Imagine for a moment that Trevor has consistently trained for a full year, and his body has made physiological adaptations to training. He again enters a triathalon which consists of a 1.5 mile swim, a 45 mile bike ride and a 10 mile run. What effect do you think a full year of training will have on Trevor's utilization of fats as a fuel source?       A) Training will increase his body's ability to use carbohydrates as a fuel source, but the utilization of fats will remain the same. B) Training will increase his body's ability to use carbohydrates as a fuel source, and the utilization of fats will actually decrease. C) Training will increase his body's ability to use fats as a fuel source.