Final answer:
The correct answer is echoed. When something reverberates, it produces a series of echoes or reflects repeatedly from one surface to another.
Step-by-step explanation:
The correct answer is echoed. When something reverberates, it produces a series of echoes or reflects repeatedly from one surface to another, creating a lingering sound. In this context, the sound of the bat hitting the baseball creates echoes that can be heard throughout the stadium, making 'echoed' the best match to the word in italics.
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