The emergency department with chest pain, a cough, and shortness of breath

While on call for your group practice you are called to admit a 23-year-old female with a history of sickle cell disease who presented to the emergency department with chest pain, a cough, and shortness of breath. She has no history of recent hospitalization.
Physical Findings:
Blood pressure 176/86 mm Hg
Pulse 103 beats/min
Respiratory rate 20/min
Temperature 37.8°C (100.0°F)
Oxygen saturation 89% on room air
A chest radiograph shows consolidation in the right lower lobe.
In addition to oxygen, intravenous fluids, an intravenous third-generation cephalosporin, and pain management, which one of the following is important to include in the patient’s treatment plan?

A - Azithromycin
B - Daptomycin
C - Ertapenem
D - Gentamicin
E - Vancomycin