Which of the Following Was the Result at the U

Which of the following was the result at the U.S. Supreme Court level in Massachusetts v. EPA, the case in the text in which Massachusetts led several states in a lawsuit asking that the EPA be ordered to establish vehicle emission standards for carbon dioxide and five other greenhouse gasses?

A) The Court dismissed the lawsuit on the basis that the states had no standing to sue.
B) The Court dismissed the issue as moot on the basis that the EPA already recognized the dangers of global warming and was taking appropriate steps.
C) The Court ordered that standards on the pollutants be set if the EPA found that the emissions at issue contributed to climate change.
D) The Court found that the emissions at issue contributed to climate change and ordered that the EPA set standards in regard to them.
E) The Court refused to consider the matter based on its determination that the issue of whether the emissions affected climate change was within the discretion of the EPA.