After the topic sentence, the rest of the paragraph is called the:
a. main idea.
b. body.
c. dropped idea.
d. outline.

The correct answer is B. Body

Explanation:

In writing, a paragraph is a set of lines or sentences that develop an idea or are related to a topic. A paragraph must include a topic sentence that expresses the focus of the paragraph, then a set of details such as statements, arguments, examples, etc. that explain the topic sentence and are known as the body of the paragraph and finally a concluding sentence that closes all the ideas developed in the paragraph. Therefore, after the topic sentence, the rest of the paragraph is called the Body.