A 10 year old boy is having polyuria,polydypsia,laboratory data showed(in mEq/lit) Na-154, K-4.5, HCO3 -22, Serum osmolality-295, Blood urea-50, Urine specific gravity-1.005. The likely diagnosis is:

• A. Diabetes insipidus
• B. Renal tubular acidosis
• C. Barter's syndrome
• D. Recurrent UTI