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': 'Which among the following is not a composite muscle: \nSelect and explain. \nA. Pectineus, B. Flexor Digitorum Superficalis, C. Biceps brachialis, D. None of the above', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None of the above', 'role': 'assistant'}]