30 points!

he wrote that "even voting for the right is doing nothing for it… a wise man will not leave the right to the mercy of chance…"

which explains the purpose of this line?

a. to convey the idea that thoreau was truly a wise man
b. to explain thoreau's view that we have a responsibility to act
c. to imply that thoreau felt he was above the law
d. to suggest that thoreau placed a high value on human life