Which of the Following Statements Is True Concerning Dietary Factors

Which of the following statements is true concerning dietary factors in ADHD?

A) Empirical studies have shown that children with allergies to nuts are more likely to develop ADHD
B) Empirical studies have not supported the idea that consuming large amounts of sugar will cause a child to develop ADHD
C) Empirical studies have indicated that there is a causal link between dietary factors and the development of ADHD
D) Empirical studies have indicated that ADHD is linked to high starch and carbohydrate intake