I think it’s c but I hope you get it right
The literary device could be a simile or a metaphor. Does the comparison use the words like or as? If so, it's a simile. If not, it's a metaphor. I'm pretty sure the answer you are looking for is either similie or metaphor.
C and D, making a more humorous casual speech will help the performance and will make it easier to connect with the speaker.
Duplicity means deceitful so kinda like double-sided or a liar <span />
Ponyboy questions his pride in being a Greaser because he hates the fact that the Socs and the Greasers are always fighting and he wishes they could all just get along. Also, he feels this way because people look at them and judge them for being Greasers, they always think they are criminals and get into a lot of trouble.