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: Medicine
[{'content': 'What is the indication of using systemic steroids in a case of rheumatoid arthritis - \nSelect and explain. \nA. Carpal tunnel syndrome, B. Presence of deformities, C. Mononeuritis multiplex, D. Involvement of articular cartilage', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]