Which literary technique is evident in this sentence from the novel The Adventures of Huckleberry Finn by Mark Twain?
"Say, who is you? Whar is you? Dog my cats ef I didn' hear sumf'n. Well, I know what I's gwyne to do: I's gwyne to set down here and listen tell I hears it ag'in.
a.analogy
b.fable
c.dialect
d.paradox