This question is based on General Literary Principles and Appreciation.
'A great city is a battlefield...You need to be a fighter to live in it, not exist, mark you, live. Anybody can exist, dragging his soul around behind him like a worn-out coat; but living is different'
'To Sir with Love' by E.R. Braithwaite
The literary device predominantly used in this passage is

• A.simile
• B.oxymoron
• C.symbolism
• D.sarcasm
• E.