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': 'Which of the following statements about Nutritional surveillance is not true – \nSelect and explain. \nA. It is a diagnostic approach, B. Assessment involves precise measurements of weight and height, C. Assessment is done by trained persons, D. Done in all children < 5 years', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]