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': 'All of the following statements about Chlamydia trachomatis are true except - \nSelect and explain. \nA. Genital chlamydial infections are often asymptomatic, B. Can be cultured, C. Inclusion conjunctivitis is caused by C. trachomatis serotypes D-K, D. Penicillin is the treatment of choice', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]