Which of the Following Best Describes the Carbohydrate (CHO) Loading

Which of the following best describes the carbohydrate (CHO) loading protocol currently used by nearly all endurance athletes?

A) Severe depletion stage (protein/fat diet) for 3 days followed by a very high-CHO diet (10 g/kg/day) for 3 days
B) Severe depletion stage (3 g CHO/kg/day) for 3 days followed by a very high-CHO diet (10 g/kg/day) for 3 days
C) Reduced-CHO diet for 3 days (5 g/kg/day) followed by a high-CHO diet (10 g/kg/day)
D) High CHO intake (6-8 g/kg/day) for the week before competition