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: Gynaecology & Obstetrics
[{'content': 'Weight gain during pregnancy: March 2013 \nSelect and explain. \nA. 4-6 Kg, B. 7-9 Kg, C. 10-12 Kg, D. 13-15 Kg', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. C i.e. 10-12 Kg', 'role': 'assistant'}]