Read the sentence. As the trumpet blared a jarring noise, everyone quickly covered their ears! Using the context clues, what is the meaning of the underlined word?

The sentence says everyone quickly covered their ears when the trumpet made a “jarring” noise, suggesting the sound was unpleasant and harsh. “Shrill” means a sharp, piercing sound, so it best matches the context. A subtle or quiet sound would not explain why everyone covered their ears.

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