question: Q:A 44-year-old woman with type 2 diabetes mellitus comes to the physician with a 3-day history of fever, right calf pain, and swelling. Her temperature is 38.7°C (101.7°F). Physical examination shows a 5 x 6-cm erythematous, warm, raised skin lesion with well-defined margins over the right upper posterior calf. The organism isolated from the lesion forms large mucoid colonies on blood agar. Further evaluation shows that the organism has a thick hyaluronic acid capsule. The causal organism of this patient's condition is most likely to have which of the following additional characteristics?? 
  {'A': 'Solubility in bile', 'B': 'Susceptibility to bacitracin', 'C': 'Negative pyrrolidonyl arylamidase test', 'D': 'Positive coagulase test', 'E': 'Resistance to optochin\n"'},