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
Orthostatic proteinuria - 
Select and explain. 
A. Seen in recumbant position, B. Is benign, C. Future risk of nephrotic synd, D. > 300 mg/day
B: Is benign
Answer: B: Is benign 
Explanation: None