Must put the story in there.
1. Language was used to set the atmosphere as peaceful, a normal camping trip, like every other camping trip. 2. When the narrator said he slept through everything you had to have known something was up, and when he/she said I bolted upright you immediately know that. Something bad is happening. Hope I helped.
Scott Momaday does not speak the Kiowa language.
The answer here is D.
It uses a similie to make a comparison.