what type of figurative language is used in this sentence from george orwells novel keep the aspidistra flying?

the public are swine; advertising is thw rattling of a stick inside a swill-bucket

flashback
oxymoron
euphenism
metaphor

Respuesta :

Considering we have "the public are swine" this is comparing the public to pigs without using like or as. The end result is a Metaphor.