60. A 26-year-old girl of type I diabetes had poor appetite and body weight loss for 3 kg (6%) in recent onemonth. After admission, she received partial parenteral nutrition due to anorexia and poor oral intake.Hypophosphatemia (0.8 mg/dL) was notcied on the third day of admission .The most likely mechanism for her acute hypophosphatemia is: 
(A) Acute stage of diabetic ketoacidosis。
(B) Hungry bone syndrome。
(C) Primary hypoparathyroidism。
(D) Renal phosphate wasting。
(E) Shift of phosphorus into intracellular stores。