The correct answer is A. Synthesis earlier information
Explanation:
In writing, the conclusion is usually the last paragraph or sentences that serve as a closure for the text, because of this, it is common the conclusion synthesizes or summarizes the points previously explained in order to remind the reader the content of the text and the main idea or thesis statement of it. Additionally, as this is a closure of the text it never introduces new information or explains new points, as this is the role of the body paragraphs and introduction rather than the conclusion. Considering this, an effective conclusion will "synthesis earlier information" as the conclusion is the closure of a text and because of this it usually mentions and summarizes the main points explained during the text.
