The correct answer is D. In the end, paper-paged books are like good friends, ones we want to spend time with over and over again.
Step-by-step explanation
When we write a text we must include a sentence to conclude the text, in this phrase all ideas of the text are summarized. Therefore, to conclude the fragment presented, the best option is the one that includes a general idea of the entire paragraph to clarify the main idea shortly and gives a closure to the text. According to the above, it can be inferred that the correct answer is !D. In the end, paper-paged books are like good friends, ones we want to spend time with over and over again" because it closes the paragraph summarizing in few words the main idea of it.