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': 'Chlamydia trachomatis serovars D-K cause- \nSelect and explain. \nA. Arteriosclerosis, B. Trachoma, C. Lymphogranuloma venereum, D. Urethritis', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]