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': 'The patient is being administered i.v. quinine following which he developed restlessness and sweating, the most likely cause is : \nSelect and explain. \nA. Hypoglycemia, B. Cinchonism, C. Arrhythmias, D. Sweating', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]