The correct answer is A. Mai idea
Step-by-step explanation:
In writing, a topical paragraph refers to a paragraph or set of lines that developed one main idea or sub-topic in a text, because of this, it is common these type of paragraph begin with a topic sentence or sentence that expresses the main idea, a set of details that explain and support the main idea and a concluding or closing sentence that also refers to the main idea and ends with the development of it. Additionally, this type of paragraph is considered as independent and complete because they developed completely an idea. Considering this, it can be concluded in a topical paragraph each sentence should support the main idea as all the topic sentence, the supporting details, and the closing sentence support and develop the main idea.