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': 'Minipill containing 75 jag of desogestrel is used for contraception. Which of the following is its schedule of administration ? \nSelect and explain. \nA. Taken once a day pill for 3 months 7 days pill free interval, B. Taken once a day pill for 2 months 7 days pill free interval, C. Taken for 21 days with 7 days pill free interval, D. Taken for 28 days with no pill free interval', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]