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': 'Vasanti, a 25-year-old-girl, presents with complaints of fever and weakness. On examination there is splenomegaly of 3 cm below the costal margin.Hb is 8 gm/dL, TLC is 3,000/mm3 , platelet count is 80,000 mm3. Which of the following is the least likely diagnosis - \nSelect and explain. \nA. Acute lymphocytic leukemia, B. Anemia of chronic disease, C. Aplastic anemia, D. Megaloblastic anemia', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]