Final answer:
An illustration paragraph is a paragraph that introduces a subject in the topic sentence and gives an extended example in the supporting sentences.
Step-by-step explanation:
An illustration paragraph is option B: any paragraph that introduces a subject in the topic sentence and gives an extended example in the supporting sentences.
For example, a topic sentence could introduce a concept like the importance of proper nutrition, and the supporting sentences would then provide an extended example by describing the specific benefits of eating a balanced diet.
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