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: Pharmacology
[{'content': 'Exogenous adrenaline is metabolized by: \nSelect and explain. \nA. AChE, B. COMT, C. Decarboxylase, D. Acetyl transferase', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Endogenous adrenaline\xa0action is terminated mainly\xa0by\xa0reuptake\xa0whereas exogenous agent is metabolized by\xa0COMT and MAO.', 'role': 'assistant'}]