What is the function of a passage's concluding paragraph?

• A. To introduce new topics related to the passage
• B. To summarize key points and reaffirms the main argument
• C. To confuse the reader with additional details
• D. To provide a lengthy analysis of the content

Answer: (B)

The concluding paragraph of a passage often serves to summarize the key points discussed throughout the text and to reaffirm the main argument presented by the author. This is important because it allows the reader to reflect on the essential elements of the discussion and reinforces the takeaways. By restating the main ideas, the author emphasizes their significance and helps ensure that the reader understands the core message.

In contrast, introducing new topics could detract from the primary focus of the passage rather than wrapping it up effectively. Additionally, confusing the reader with extra details would undermine the clarity and purpose of the conclusion. Providing a lengthy analysis would be more appropriate in the body of the text rather than in the conclusion, which is intended for summarization and closure. Thus, the correct function of a passage's concluding paragraph aligns with summarizing and reaffirming the main argument.