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: Surgery
[{'content': 'A complication in the first 48 hours of total parenteral\nnutrition is \nSelect and explain. \nA. Hyper natremia, B. Hyper kalemia, C. Hyperglycaemia, D. Selenium deficiency', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]