Which figure of speech is used in this text?

Noah remarked that the new book on anti-gravity was impossible to put down.

(1 point)
Responses

metaphor
metaphor

pun
pun

hyperbole
hyperbole

simile

1 answer

The figure of speech used in the text is a pun. The phrase "impossible to put down" plays on the literal meaning of "anti-gravity" as well as the figurative meaning of a book being so engaging that one does not want to stop reading it.