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: Unknown
[{'content': 'Energy requirement in a pregnant lady doing moderate work is? \nSelect and explain. \nA. 2525/kcal/day, B. 2280 kcal/day, C. 2850 kcal/day, D. 3200 kcal/day', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans-A', 'role': 'assistant'}]