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': 'Diagnostic procedure for basal cell Ca - \nSelect and explain. \nA. Wedge biopsy, B. Shave, C. Incisional biopsy, D. Punch biopsy', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]