At the Federal Level, the U

At the federal level, the U.S.Circuit Courts of Appeal are the courts of last resort for most cases, whether civil or criminal, because:

A) the U.S.Supreme Court can choose what cases it wants to hear, among those appealed from lower courts.
B) congressional statutes prohibit large categories of cases from being heard by the U.S.Supreme Court.
C) the U.S.Supreme Court does not have the jurisdiction to hear most federal appellate cases.
D) the cases are typically decided to the satisfaction of major parties involved, especially in civil cases.