<span>A. Austria-Hungary, Germany and the Ottoman Empire versus Serbia, Russia, France and Great Britain
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ASMR is doing gentle, soft, and relaxing sounds. And people listen to it because... it's relaxing, I guess...
The answer is B, a team of explorers are studying the ocean floor
The first one is an "idiom" / or, "idiomatic expression" ; that is: [to have] "tricks up [one's sleeve's]" .
The second one is "hyperbole" (gross exaggeration).
The third one is "personification" — but also "hyperbole" (gross exaggeration).
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