Which sentence BEST supports the author's claim that winning the Iditarod can be a "storybook" accomplishment? A.
Called the “Last Great Race on Earth,” the Iditarod follows the Knik to Nome dogsled mail and supply route of 1910.
B.
The race lasts for eight to twenty days in subzero temperatures, much of it in darkness and blinding winds.
C.
In 1925, part of the trail became the route for transporting emergency medical supplies to Nome, which was stricken by diphtheria
D.
Glaciers are also a unique part of Alaska’s topography.