What Is the Difference Between the Supreme Court's Original Jurisdiction

What is the difference between the Supreme Court's original jurisdiction and its appellate jurisdiction?

A) Cases in the original jurisdiction are decided by the judges themselves, while cases in the appellate jurisdiction are resolved by Supreme Court clerks.
B) Cases in the Court's original jurisdiction receive a full oral argument and written opinion, while appellate cases are decided without oral argument, vote tally, or written opinion.
C) The Court's original jurisdiction consists of issues considered during the first 10 years of its history, while its appellate jurisdiction is every new issue considered since 1798.
D) Cases in the Court's original jurisdiction go directly to the Court, while cases in its appellate jurisdiction go to state or lower federal courts first.
E) Cases in the original jurisdiction are brand-new legal topics for the court to consider, while cases in the appellate jurisdiction are resolved by the application of precedents.