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: Medicine
The most common presentation of IgA nephropathy is - 
Select and explain. 
A. Nephritic syndrome, B. Nephrotic syndrome, C. Microscopic hematuria, D. Repeated gross hematuria
D: Repeated gross hematuria
Answer: D: Repeated gross hematuria 
Explanation: None