question: Q:Blood cultures are sent to the laboratory. Antibiotic treatment is started. Blood cultures confirm an infection with methicillin-susceptible Staphylococcus epidermidis. Which of the following is the most appropriate next step in management?? 
  {'A': 'Oral penicillin V + gentamicin for 4 weeks', 'B': 'Intravenous ampicillin + rifampin + ceftriaxone for 2 weeks', 'C': 'Oral gentamicin + ceftriaxone for 4 weeks', 'D': 'Oral amoxicillin for 6 weeks', 'E': 'Intravenous nafcillin + rifampin for 6 weeks + gentamicin for 2 weeks'},