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: Surgery
[{'content': 'Graft is not taken up on the following- \nSelect and explain. \nA. Fat, B. Muscle, C. Deep fascia, D. Skull bone', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]