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
Acute and recurrent pancreatitis is reported to occur in - 
Select and explain. 
A. Homocystinuria, B. Maple syrup urine disorder, C. Methyl malonic acidemia, D. Tyrosinemia
C: Methyl malonic acidemia
Answer: C: Methyl malonic acidemia 
Explanation: None