Read the excerpt from "On the Mountain.” Half an hour later, she knew she was going to have to be more resourceful. With the sun moving across the sky toward sunset, she opened her daypack to see what she had to work with. A cell phone, of course, but there was no reception in the area. Flashlight, protein bar, whistle, extra sweater, bandages, aspirin, burn cream, space blanket, peanuts, water bottle, matches, pocket knife. She ate some peanuts and took a couple of aspirin with a swig of water from her canteen, hoping they would relieve the pain in her knee. This excerpt is part of the story’s A. exposition
B. rising action
C. climax
D. falling action