question: Q:A 60-year-old man with a history of coronary artery disease and hyperlipidemia presents to his internist for a follow-up visit 3 weeks after visiting an urgent care center for symptoms of cough, fever, and difficulty breathing. He had been prescribed erythromycin in addition to his usual regimen of rosuvastatin and aspirin. With which potential side effect or interaction should the internist be most concerned?? 
  {'A': 'Gastric bleeding due to decreased aspirin metabolism in the presence of erythromycin', 'B': 'Unstable angina due to decreased rosuvastatin metabolism in the presence of erythromycin', 'C': 'Myalgia due to decreased rosuvastatin metabolism in the presence of erythromycin', 'D': 'Metabolic acidosis due to decreased aspirin metabolism in the presence of erythromycin', 'E': 'Tinnitus due to decreased aspirin metabolism in the presence of erythromycin'},