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: Social & Preventive Medicine
Epidemic Dropsy results due to: 
Select and explain. 
A. Aflatoxin, B. BOAA, C. Pyruvic acid, D. Sanguinarine
D: Sanguinarine
Answer: D: Sanguinarine 
Explanation: Sanguinarine