Allusion: Diamonds were not a girl's best friend, she realized, as the attendant pointed at the astronomical number attached to the ring.
Simile: Her eyes were clear and blue like sapphires.
Metaphor: A steady trickle of ruby droplets ran from the corner of his mouth, interrupted by a wet cough and the subsequent heaving of his chest.
The answer is: [D]: "what is happening in the story" .
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The correct answer is:
<span>C. To help persuade your audience that you are correct.</span>
