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.

Which lines from the speech best supports this topic sentence? and as we walk, we must make the pledge that we shall always march ahead. we cannot turn back. there are those who are asking the devotees of civil rights, "when will you be satisfied? " and they have come to realize that their freedom is inextricably bound to our freedom. we cannot walk alone. we refuse to believe that there are insufficient funds in the great vaults of opportunity of this nation. and so we've come to cash this check, a check that will give us upon demand the riches of freedom and the security of justice. and so let freedom ring from the prodigious hilltops of new hampshire. let freedom ring from the mighty mountains of new york. let freedom ring from the heightening alleghenies of pennsylvania.