The United States Supreme Court to decide which cases to review? A.
A case must be sent from a state supreme court.
B.
A case must be sent directly from federal district courts.
C.
A case must involve an important legal question that will help other judges decide future cases.
D.
An appellate court must not have addressed the case prior to arriving to the Supreme Court.

An appellate court must not have addressed the case prior to arriving to the Supreme Court.

answer d, an appellate court must have not addressed the case

answer; the best answer is (demand);

productive most commonly means: achieving or producing a significant amount or result.

explanation:

productive can also mean:

these depend on how the word productive is used. most likely productive will mean   achieving or producing a significant amount or result.