This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.V.S., Subject name: Pediatrics
[{'content': 'Differential Cyanosis occurs in which of the following disease: \nSelect and explain. \nA. Severe coarctation, B. PPHN, C. Interrupted aortic arch, D. All of the above', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. D. All of the aboveDifferential cyanosis can be caused by* Persistent pulmonary hypertension of Newborn* Coarctation of Aorta* Interrupted aortic arch', 'role': 'assistant'}]