This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Respiratory system, Subject name: Anatomy
Drug of choice for mycoplasma pneumonia is 
Select and explain. 
A. Penicillin, B. Tetracycline, C. Cefuroxime, D. Erythromycin
D: Erythromycin
Answer: D: Erythromycin 
Explanation: Treatment options for acute M.pneumoniae infection include macrolides (e.g., oral azithromycin, 500 mg on day 1, then 250 mg/d on days 2-5), tetracyclines (e.g., oral doxycycline, 100 mg twice daily for 10-14 days), and respira-tory fluoroquinolones Ref Davidson edition23rd pg 585