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: Pathology
[{'content': 'Brain natriuretic peptide is degraded by: \nSelect and explain. \nA. Neutral endopeptidase, B. Elastase, C. Collagenase, D. Ompatrilat', 'role': 'user'}, {'content': 'Answer: A \nExplanation: . Neutral endopeptidase', 'role': 'assistant'}]