<prompt> Please answer with one of the option in the bracket. Write reasoning in between . Write answer in between .Q:A 63-year-old female recovering from a total shoulder arthroplasty completed 6 days ago presents complaining of joint pain in her repaired shoulder. Temperature is 39 degrees Celsius. Physical examination demonstrates erythema and significant tenderness around the incision site. Wound cultures reveal Gram-positive cocci that are resistant to nafcillin. Which of the following organisms is the most likely cause of this patients condition?? A: Streptococcus viridans, B: Escherichia coli, C: Staphylococcus epidermidis, D: Staphylococcus aureus, E: Streptococcus pyogenes,  <response>: This is a patient who recently underwent shoulder surgery and is now presenting with signs of a surgical site infection, including fever, erythema, tenderness, and positive wound cultures. The description of Gram-positive cocci that are resistant to nafcillin points towards Staphylococcus aureus as the most likely organism. S. aureus is a common cause of postoperative infections and can develop resistance to nafcillinmethicillin. The other options are less likely based on the clinical presentation and lab findings.D: Staphylococcus aureus 