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': 'Which of the following drugs is hydrolyzed by a plasma esterase that is abnormally low in activity in about 1 in every 2500 humans ? \nSelect and explain. \nA. Ethanol, B. Rifampicin, C. Cimetidine, D. Succinylcholine', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]