A 2 years child with vit. D resistant rickets was evaluated.His lab investigation reveal, Serum calcium-9mg/dl, Serum phosphate-2.4mg/dl, Serum alkaline phosphate-1041, IU Parathormone level-59 units. The likely diagnosis is:

• A. Distal renal tubular acidosis
• B. Vit. D dependent rickets
• C. Hypophosphetemic rickets
• D. Hyperparathyroidism