question: Q:A 69-year-old woman is brought to the emergency department by her husband because of a 1-day history of fever, shortness of breath, dizziness, and cough productive of purulent sputum. Six days ago, she developed malaise, headache, sore throat, and myalgias that improved initially. Her temperature is 39.3°C (102.7°F) and blood pressure is 84/56 mm Hg. Examination shows an erythematous, desquamating rash of the distal extremities. A sputum culture grows gram-positive, coagulase-positive cocci in clusters. The most likely causal organism of this patient's current symptoms produces a virulence factor with which of the following functions?? 
  {'A': 'Degradation of membranous phospholipids', 'B': 'Binding of Fc domain of immunoglobulin G', 'C': 'Overstimulation of guanylate cyclase', 'D': 'Destruction of immunoglobulin A', 'E': 'Inactivation of elongation factor 2'},