Read the following excerpt from a science fiction story: the man pressed his hand against the biological key-reader that locked the computer room. after touching his hand against the cold surface, the large metal door groaned and rumbled up into the ceiling. the man walked through the opening. his entrance triggered the lights in the room to come alive. in the back of the large, hollow room, he heard a machine power up, its electric board inhaling and sighing as the current pulsed through the metallic cavern. what is one figurative device the writer uses to amplify the sense of advanced technology, and what is the effect of this device?

Returning from vietnam, we were indeed 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. what is one way the author's use of language contributes to the tone of this passage? a. the use of figurative language creates a feeling of resentment. b. the phrase "hot, angry tangle" is used sarcastically to create irony. c. the word "parade" is used sarcastically to create a lighthearted mood. d. the parallelism draws attention to the confusion of those returning.