This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Sexually transmitted diseases, Subject name: Dental
LGV is caused by - 
Select and explain. 
A. Chalamydia trachomatis, B. Haemophylus ducrei, C. HTLV type II, D. Donovanosis granulomatis
A: Chalamydia trachomatis
Answer: A: Chalamydia trachomatis 
Explanation: Lymphogranuloma venerum is caused by Chlamydia Trachomatis, serovars L1, L2 and L3. From illustrated synopsis of dermatology and sexually transmitted diseases neena khanna 5th edition page no 330