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': 'A 16 year old female presents with generalised weakness and palpitations. Her Hb is 7g/dl and peripheral smear shows microcytic hypochromic anaemia, reticulocyte count = 0.8 % serem bilirubin =1 mg%. The most likely diagnosis is - \nSelect and explain. \nA. Iron deficiency is, B. Haemolytic anaemia, C. Aplastic anaemia, D. Folic acid deficiency', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]