Answer: C) It reveals how connected Aho was to the history of her people.
In "The Way to Rainy Mountain," we learn about the journey of the Kiowa people from Montana to Oklahoma, and all the hardships they encountered throughout the years.
In this excerpt, the author discusses how his grandmother, Aho, retained the image of the landscape of her ancestors even though she had not experienced it herself. In this way, the author shows how connected Aho was to the history of her people.