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: Pathology
[{'content': '42 years old female presents diagnosed as iron deficiency anemia was staed on oral iron therapy and her Hb condition during review was 8 g%. The cause for failure of treatment is \nSelect and explain. \nA. Acquired sideroblastic anemia, B. Inadequate iron dosage, C. Poor compliance to oral iron, D. Folate deficiency', 'role': 'user'}, {'content': 'Answer: C \nExplanation: . Poor compliance to oral iron', 'role': 'assistant'}]