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
True about Wilson's disease is ? 
Select and explain. 
A. Increased serum ceruloplasmin, B. Decreased liver copper, C. Increased urinary copper excretion, D. Decreased urine copper excretion
C: Increased urinary copper excretion
Answer: C: Increased urinary copper excretion 
Explanation: None