1. All of the following regarding focal nodular hyperplasia are true except

A) It is more common than hepatocellular adenoma.
B) On contrast-enhanced CT, a transient hyperdensity on bolus injection is followed by isodensity.
C) Most cases are associated with the use of oral contraceptives.
D) It typically shows normal activity on Tc-99m sulfur colloid scintigraphy.
E) Calcifications are not associated with focal nodular hyperplasia.