B. It supports the myth by providing real facts about the custom of antelope hunting by the Kiowas.
Immediately options C and D should be eliminated. In the excerpt there is no mention of teepees or winter so these are not valid answers. This leaves option A and B. The difference between the two is that Option A says the description is from a personal point of view. A personal point of view should be written in first person with the pronouns I, me, my. The excerpt is written from third person point of view so it is not option A.
