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': 'A 4–year child presents with a history of hoarseness, croupy cough and aphonia, the child has dyspnoea with wheezing. The most probable diagnosis is – \nSelect and explain. \nA. Asthmatic bronchitis, B. Laryngeal foreign body, C. Bronchopneumonia, D. Retropharyngeal abscess', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]