Which of the Following Statements Is True

Which of the following statements is true?

A) Children who eat large amounts of sugary foods have a higher than average risk of attention deficit hyperactivity disorder.
B) People who drink sugar-sweetened soft drinks may gain body fat,especially if they do not reduce their intake of energy from solid foods.
C) Sugars and other digestible carbohydrates comprise over 80% of the average American's total energy intake.
D) A gram of sugar provides about twice the calories as a gram of starch.