A 65-year-old man with COPD presents with increased dyspnoea, sputum purulence and volume. He has no fever and no signs of pneumonia. According to Therapeutic Guidelines summary table, which statement regarding antibiotic use is most appropriate?ARoutine antibiotics are recommended for all COPD exacerbationsBAntibiotics are indicated only when there are signs of pneumoniaCAntibiotics may be indicated in selected exacerbations, with amoxicillin 500 mg eight-hourly for 5 days as a first-line optionDMacrolides should be used as first-line for all COPD exacerbationsEFluoroquinolones are preferred first-line agentsCheck my answer