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': "Regarding nutritional status assessment, not true is – \nSelect and explain. \nA. 1– 4 years mortality, B. Babies < 2.5 kg, C. Mother's Hb < 11.5, D. None of the above", 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]