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': 'All are pharmacogenetic conditions except: \nSelect and explain. \nA. Adenosine deaminase deficiency, B. Malignant hyperthermia, C. Coumarin insensitivity, D. G–6–PD deficiency', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]