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: Pathology
True about a child with post streptococcal glomerulonephritis is 
Select and explain. 
A. Microscopic haematuria decreases within 4 weeks, B. Serum triglyceride levels increases, C. Severe renal dysfunction is an indication for biopsy, D. Serum C3 levels are normal
C: Severe renal dysfunction is an indication for biopsy
Answer: C: Severe renal dysfunction is an indication for biopsy 
Explanation: . Severe renal dysfunction is an indication for biopsy