21. 下列何者常併有低尿酸血症(hypouricemia)?1. The syndrome of inappropriate antidiuretic hormone secretion (SIADH)2. Fanconi's syndrome3. Diuretics (thiazide) use4. Lead intoxication5. Xanthine oxidase deficiency syndrome
(A) 1, 3, 5
(B) 2, 4, 5
(C) 1, 2, 3
(D) 2, 3, 4
(E) 1, 2, 5