Part A: Which of the following best identifies the central idea of the text? A. Most people are educated on the workings of the Supreme Court because the expectations for the Court's roles are clearly defined in the Constitution. B. Supreme Court justices are incredibly powerful since they are appointed for life and rule on the country's most important cases. C. The Supreme Court plays an important role in the country's government because it takes cases that were never presented in court before. D. For a very long time, Presidents chose Supreme Court nominees based only on their political views, but this has changed recently.