This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Antibiotics, Subject name: Pharmacology
[{'content': 'A drug used in steroid-resistant lepra reactions? \nSelect and explain. \nA. Clofazamine, B. Dapsone, C. Rifampicin, D. Thalidomide', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Thalidomide is the drug used in steroid-resistant type 2 lepra reactions.Ref: KD Tripathi 3rd ed; P: 756', 'role': 'assistant'}]