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: Pediatrics
[{'content': 'All are features of neonatal necrotizing enterocolitis except – \nSelect and explain. \nA. abdominal distension, B. Increased bowel sound, C. Metabolic acidosis, D. Pneumoperitoneum', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Bowel sounds are diminished or absent.', 'role': 'assistant'}]