A 64-year-old with chest pain and nonsevere CAP is treated as an outpatient. He has no significant comorbidities and no risk factors for drug-resistant pathogens. Best empiric oral regimen per US guidelines?AAzithromycin monotherapy for 5 days regardless of resistanceBLevofloxacin 750 mg daily for 10-14 daysCAmoxicillin 1 g three times daily for 5 daysDCefdinir plus azithromycin for 3 daysEAmoxicillin/clavulanate 875/125 mg twice daily for 3-5 days in allCheck my answer