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: Surgery
Following fistulous conditions give rise to maximum fluid and electrolyte imbalance ? 
Select and explain. 
A. Distal ileal, B. Gastric, C. Duodenal, D. Sigmoid
C: Duodenal
Answer: C: Duodenal 
Explanation: Ans. is 'c' i.e., Duodenal