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: Dental
[{'content': 'All of the following are true about Basal cell carcinoma except \nSelect and explain. \nA. It is the most common skin cancer in the general population, B. Caused by UVA radiation, C. Metastasis is extremely rare, D. Topical Imiquimod is used to treat superficial BCC', 'role': 'user'}, {'content': 'Answer: B \nExplanation: BCC is caused by UVB radiation. (290-320nm).', 'role': 'assistant'}]