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: Pharmacology
Drug of choice for Mycoplasma: 
Select and explain. 
A. Cefadroxil, B. Erythromycin, C. Chloramphenicol, D. Azithromycin
D: Azithromycin
Answer: D: Azithromycin 
Explanation: Azithromycin is the DOC for:
Mycoplasma, cat scratch disease, legionella infections and chanchroid (caused by H-ducreyi)