This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Pediatric Ohopedics, Subject name: Orthopaedics
[{'content': 'In Klippel-feil syndrome, the patient has all of the following clinical features except: \nSelect and explain. \nA. Low hairline, B. Bilateral neck webbing, C. Bilateral shoness of sternocleidomastoid muscles, D. Gross limitations of neck movements', 'role': 'user'}, {'content': "Answer: C \nExplanation: Klippel-feil syndrome Congenital fusion of 2 or more cervical veebrae Classic triad (seen in fewer than 50%)- Low posterior hair line Sho webbed neck Limited cervical ROM Other features- Sprengel's deformity, jaw anomalies, paial loss of hearing, toicollis,scoliosis", 'role': 'assistant'}]