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: Social & Preventive Medicine
[{'content': 'IFA tablets given during pregnancy contains. \nSelect and explain. \nA. 60mg elemental iron and 500ug Folic acid, B. 100mg elemental iron and 400ug Folic acid, C. 60mg elemental iron and 400ug Folic acid, D. 100mg elemental iron and 500ug Folic acid', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]