This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nutrition, Subject name: Pediatrics
[{'content': 'Acute malnutrition is manifested by \nSelect and explain. \nA. Weight for age, B. Weight for height, C. Age for height, D. Brocas index', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Acute malnutrition is manifested by weight for height which is a result of more recent food deficit or illnessRef: Ghai Essential Pediatrics 8th edition', 'role': 'assistant'}]