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': 'Belimumab is used in \nSelect and explain. \nA. Osteoporosis, B. Malignant melanoma, C. Merkel cell carcinoma, D. Systemic lupus erythematous', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Belimumab is a monoclonal antibody against B - cell activating factor ( BAFF ) and is thus useful in decreasing autoimmune response in Systemic lupus erythematous .', 'role': 'assistant'}]