Which of the Following Statements by a Patient with Uric

Which of the following statements by a patient with uric acid stones indicates that teaching was effective about prevention of lithiasis?

A) "I should avoid organ meats and sardines in my diet."
B) "I will increase purine-rich foods in my diet."
C) "I know to avoid eating vitamin D-enriched foods."
D) "I will have to make my urine more acidic by eating cheese, cranberries, grapes, and tomatoes."