Which of the Following Best Describes How Cases Reach the U.S

Which of the following best describes how cases reach the U.S. Supreme Court on appeal?

A) All appeals are forwarded from the federal system's lower appellate courts.
B) Nearly all cases are appealed from the state courts.
C) Most cases are referred to the Supreme Court by the executive branch.
D) About half of the cases come from federal appellate courts and the other half come from the 50 state supreme courts.
E) The majority of Supreme Court appellate cases originated in the military courts.