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: Microbiology
[{'content': 'In donovanosis - \nSelect and explain. \nA. Pseudolymphadenopathy, B. Penicillin is used for treatment, C. Painful ulcer, D. Suppurative lymphadenopathy', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Donovaniasis is characterized by pseudo bubo, i.e subcutaneous swelling without lymphadenopathy.', 'role': 'assistant'}]