"Tragic," may work, depending if the questions is multiple choice or not.
What do you mean? are we supposed to have read that book or is that something else?
Answer:
Social media is a good way to stay in touch with friends and family who live far away. But if we focus more on the people online than those who are nearby physically, or if we allow our friends who are in close proximity to become online friends only, then we have a problem. We can maintain those online friendships, but we should never substitute them for real friendships with people with whom we can talk and do things in person. Some in-person relationships may be difficult.
Answer:
D) For instance
Explanation:
This type of phrase tends to be a part of an example type sentence. The others are carrying off of a previous sentence, and leads to a result detail.
The correct answer for this question would be the last option. The central idea that is presented in the introduction to The Way to Rainy Mountain is that, the Kiowa people are connected to the land and their journey. The Way to Rainy Mountain is written by N. Scott Momaday wherein Momaday traces the ancestral roots back to the beginning of the Kiowa tribe.