Why do you think someone who is learning English as a foreign language might have trouble understanding an idiomatic expression?

Read the excerpt from "declaration of conscience" by margaret chase smith. the exercise of these rights should not cost one single american citizen his reputation or his right to a livelihood nor should he be in danger of losing his reputation or livelihood merely because he happens to know someone who holds unpopular beliefs. who of us doesn't? otherwise none of us could call our souls our own. otherwise thought control would have set in. this excerpt contains an example of

Returning from vietnam, we were given a parade. crowds of screaming people waving signs — not just on one road, one day. no, they were everywhere. every day. on the streets, on the television, on the radio. a hot, angry tangle of shaking fists and ugly words that threatened us like a monster with a hundred heads. our country had chewed us up and spit us out, and now we were being treated as if it were our fault. which sentence best uses figurative language to match the paragraph's tone? a. our feet were frozen in place as the street itself strained to hold us back. b. i felt unappreciated and condemned for actions i had thought were heroic. c. i hadn't expected to find myself in a rags-to-riches situation such as this. d. we had come home to a feeding frenzy and were being treated as bait.

What literary technique is evident in these words from beowulf?