question: Q:A 38-year-old woman comes to the physician because of a 3-month history of moderate abdominal pain that is unresponsive to medication. She has a history of two spontaneous abortions at 11 and 12 weeks' gestation. Ultrasound examination of the abdomen shows normal liver parenchyma, a dilated portal vein, and splenic enlargement. Upper endoscopy shows dilated submucosal veins in the lower esophagus. Further evaluation of this patient is most likely to show which of the following findings?? 
  {'A': 'Increased prothrombin time', 'B': 'Hepatic venous congestion', 'C': 'Increased serum bilirubin levels', 'D': 'Councilman bodies', 'E': 'Thrombocytopenia'},