Which of the following would be an appropriate time to use a classification paragraph?

The correct answer would be B. This is because a classification paragraph begins a main idea and discusses the subcategories of that topic, comparing and contrasting them with each other.
Answer:
Hi!
The answer would be option B. Explaining the three kinds of different fats - saturated, unsaturated and trans fats.
Explanation:
In a classification paragraph we found separate items that are grouped into categories according to shared characteristics. Thes paragraphs start with a main idea and use the rest of the paragraph to explain a series of secondary ideas. Finally, classification paragraphs can be written on almost any subject where there are different categories, groups or genres. Therefore, the answer would be B.