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: Pharmacology
[{'content': 'Immunostimulant used for the treatment of malignant melanoma is : \nSelect and explain. \nA. Levamisole, B. BCG, C. Aldesleukin, D. Methotrexate', 'role': 'user'}, {'content': 'Answer: C \nExplanation: It is a recombinant IL-2 used for the treatment of renal cell carcinoma and malignant melanoma.', 'role': 'assistant'}]