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': 'Uncommon finding in congestive cardiac failure in new born – \nSelect and explain. \nA. Tachycardia, B. Tachypnoea, C. Hepatomegaly, D. Pedal edema', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Edema of the feet occurs late.', 'role': 'assistant'}]