The correct answer is B. In a persuasive essay, the writer tries to convince the reader to agree with the point of view presented, while in an expository essay, the writer describes and explains all sides of a topic or issue.
Explanation:
Both a persuasive and expository essay is a type of academical papers that aim at describing and exploring one specific topic or issue; however, the purpose and content included in both differ. In the case of persuasive essays these aim at persuading or convincing the reader about an idea or point of view about the topic describe and because of this, they include mostly evidence that supports the point of view of the author. On the other hand, an expository essay aims at providing information about a topic and because of this, in this evidence and details are included to explain and describe completely the topic or issue the essay is about. Therefore, the main difference is that in a persuasive essay the purpose is to convince the reader about a point of view, while in expository essays the purpose is to explain all sides of a topic of issue or option B.