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
Diseases caused by Chlamydia - 
Select and explain. 
A. LGV, B. Trachoma, C. Nonspecific cervicitis, D. All the above
D: All the above
Answer: D: All the above 
Explanation: None