HELP I know the answer isn't A because I put it last time and it was wrong

How does the author use structure to create tension in the excerpt

Read this excerpt from “what i hope to leave behind.” for a number of years it took so much vitality to keep the home going, and that home represented so many different kinds of activities, that none of us had any urge to go outside of this sphere. if “what i hope to leave behind” was the subject of a class discussion, why might paraphrasing this sentence be ? you could analyze the key themes while also staying true to the original language. you could summarize the key ideas, which would shorten the length of the excerpt. you could use your own ideas and concepts, which would add important information. you could rephrase it in your own words, which might clarify the meaning of the excerpt.

Why does the author of exploring the titanic give background information about his youth and education? to show his lifelong love for the ocean