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