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: Skin
DOC for LGV 
Select and explain. 
A. Doxycycline, B. Ampicillin, C. Erythromycin, D. Ceftriaxone
A: Doxycycline
Answer: A: Doxycycline 
Explanation: A i.e. Doxycycline