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
Endemic ascitis is associated with the following: 
Select and explain. 
A. Pyrrolizidine, B. Aflatoxin, C. Sanguinarine, D. Beta oxalylamino alanine (BOAA)
A: Pyrrolizidine
Answer: A: Pyrrolizidine 
Explanation: Pyrrolizidine