Which sentence from the story is an example of the author's use of physical description to develop a character?
a. "the father was respectable and tight, a mortgage fancier and a stern, upright collection-plate passer and forecloser."
b. "about two miles from summit was a little mountain, covered with a dense cedar brake."
c. "he put a red-hot boiled potato down my back," explained bill, "and then mashed it with his foot; and i boxed his ears. have you got a gun about you, sam?
d. "i ain't attempting," says he, "to decry the celebrated moral aspect of parental affection, but we're dealing with humans, and it ain't human for anybody to give up two thousand dollars for that forty-pound chunk of freckled wildcat.