Early in the novel, tom's aunt polly says the following: "i ain't doing my duty by that boy, and that's the lord's truth, goodness knows. spare the rod and spile the child, as the good book says. i'm a-laying up sin and suffering for us both, i know." what is aunt polly's speech an example of? a. twain's use of humor b. twain's use of dialect c. twain's use of theme d. twain's use of satire