Answer:
D. Some abolitionists became suffragists.
Explanation:
Many of the people who lead the suffragette movement were abolitionists
While the main idea is usually in the first sentence, the next most common placement is in the last sentence of a paragraph. The author gives supporting information first and then makes the point in the last sentence. Here's a paragraph we can use as an example. Try to locate the topic and the main idea.
I was sixteen with no car, so I walked all over Chicago that’s the answer
