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: Pathology
[{'content': "The disorder characterized by craniosynostoses, craniofacial anomalies, severe symmetrical syndactyly (cutaneous and bony fusion) of hands and feet along with preaxiaL syndactyly and variable soft form syndactyly? \nSelect and explain. \nA. carpenter syndrome, B. Crounzon syndrome, C. Apert syndrome, D. Down's syndrome", 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]