Which of the Following Is a Violation of the Dormant

Which of the following is a violation of the dormant commerce clause?

A) Congress does not exercise its powers.
B) Anything that moves in channels of interstate commerce is "commerce."
C) Differentiate on the basis of origin.
D) If a state law is an "undue burden" on interstate commerce,it will be struck down.
E) If one state discriminates in its treatment of any article of commerce based on its state of destination,the court will strike down the law.