This distinguishing feature of realist literature is used by Mark Twain in this excerpt from The Adventures of Huckleberry Finn.
I ain' gwyne to len' no mo' money 'dout I see security. Boun' to git yo' money back a hund'd times, de preacher says! Ef I could git de ten cents back, I'd call it squah, en be glad er de chanst.
A.) dramatic dialogue
B.) dialect
C.) an unreliable character
D.) setting
E.) undecipherable language