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: Anatomy
[{'content': 'All are responsible for pronator syndrome except \nSelect and explain. \nA. Struthers ligament, B. Bicipital aponeurosis, C. Pronator quadratus, D. FDS', 'role': 'user'}, {'content': 'Answer: C \nExplanation: C i.e. Pronator qauadratus', 'role': 'assistant'}]