What Should Be the Composition of the Last (Pregame)meal Before

What should be the composition of the last (pregame) meal before an athletic event?

A) High-protein,providing 30 kcal per kg body weight
B) Vegetable and fruit juices,providing 100 to 200 kcal
C) High-carbohydrate,low-fiber,providing 300 to 800 kcal
D) High-fiber,providing 200 to 300 kcal and liberal amounts of fluid,which is beneficially retained by the fiber in the GI tract