A 70-year-old presents with suspected hospital-acquired pneumonia 72 hours after admission. Hemodynamically stable; no MRSA or Pseudomonas risk factors. Which empiric approach aligns with guidance?AVancomycin plus piperacillin-tazobactam in allBTarget therapy based on local antibiogram; reserve MRSA/Pseudomonas coverage for risk factorsCMacrolide monotherapyDNo antibiotics until culture results returnELinezolid plus levofloxacin in allCheck my answer