Which of the Following Statements About Federal Courts Is Most

Which of the following statements about federal courts is most accurate?

A) The federal government does not operate a court system.
B) Federal courts hear only a small fraction of all of the civil and criminal cases decided each year in the United States, and their decisions are rarely important because they are not allowed to interpret the Constitution or the federal laws that govern all Americans.
C) Although federal courts hear the vast majority of all civil and criminal cases decided each year in the United States, their decisions are rarely important because they are not allowed to interpret the Constitution or the federal laws that govern all Americans.
D) Federal courts hear the vast majority of all civil and criminal cases decided each year in the United States, and their decisions are extremely important because they interpret the Constitution and the federal laws that govern all Americans.
E) Although the federal courts hear only a small fraction of all of the civil and criminal cases decided each year in the United States, their decisions are extremely important because they interpret the Constitution and the federal laws that govern all Americans.