Answer:
B. Tonya has a bandage, so the reader knows that she has hurt her finger.
Explanation:
We are asked to select an answer that tells us why the sentence overexplains the meaning.
The sentence is: <em>Tonya had a bandage on her finger because she had hurt it in some way.</em>
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This sentence overexplains by stating the fact that Tonya had hurt her finger. If the sentence had simply stated:
<em>Tonya had a bandage on her finger.</em>
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The reader could infer that she had hurt her finger, instead of the sentence having to explain that fact.
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