This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pediatrics
Drug of choice for Steroid Resistant Nephrotic Syndrome is 
Select and explain. 
A. Cyclophosphamide, B. Mycophenolate mofetil, C. Prednisolone, D. Tacrolimus
D: Tacrolimus
Answer: D: Tacrolimus 
Explanation: Drug of choice for Steroid Resistant Nephrotic Syndrome is Calcineurin Inhibitors like Cyclosporine A or Tacrolimus.