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': 'GTT post 1 hour sugar for gestational diabetes in>____ mg%? \nSelect and explain. \nA. 140, B. 180, C. 150, D. 200', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]