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': 'Nutritional status of community is measured by all except \nSelect and explain. \nA. Anemia detection in pregnancy, B. Mid-arm circumference in 0-1 year age group, C. Child birth weight <2500 gms, D. Height and weight calculated in < 5 years age group', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]