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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O'brien and Mr. Charrington are both accused of thought crime.
Hope this helps :) Good luck!
The best and the most correct answer among the choices provided by the question is the third choice. <span>Pi kept almost constant eye contact with Richard Parker to keep his status as dominant as the tiger. </span>I hope my answer has come to your help. God bless and have a nice day ahead!