challenge: Where are the Laramie Mountains located?
  
  A. On the eastern edge of the Rocky Mountains in the U.S states of Wyoming and Colorado
  B. In the middle of the Rocky Mountains in the U.S state of Utah
  C. On the southern edge of the Rocky Mountains in the U.S states of New Mexico and Arizona
  D. On the western edge of the Rocky Mountains in the U.S states of Montana and Idaho
  Answer: 