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: Medicine
[{'content': 'A diabetic patient in the waiting room develops giddiness, sweating and confusion. He is suffering from: \nSelect and explain. \nA. Hypertension, B. Ketoacidosis, C. Hypoglycemia, D. Non-ketoacidosis', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]