Trevor's usual weekly training program includes running 50 miles, cycling 100 miles and swimming 10,000 yards. He is well trained and exercises between 70-80% of maximal oxygen uptake. What is the guideline used to estimate his daily carbohydrate need? You can review Trevor's registration record for the information you'll need to recommend carbohydrate intake for him. A. 4-5 grams of carbohydrate per kilogram of body weight B. 6-7 grams of carbohydrate per kilogram of body weight C. 8-10 grams of carbohydrate per kilogram of body weight D. 12-15 grams of carbohydrate per kilogram of body weight