Which excerpt from henry david thoreau's walden illustrates his high regard for nature? a. “in the midst of this chopping sea of civilized life, such are the clouds and storms…that a man has to live, if he would not founder and go to the bottom and not make his port at ” b. “simplify, simplify. instead of three meals a day, if it be necessary eat but one; instead of a hundred dishes, five; and reduce other things in proportion.” c. “every man is tasked to make his life, even in its details worthy of the contemplation of his most elevated and critical hour.” d. “…whenever i looked out on the pond it impressed me like a tarn high up on the side of a mountain, its bottom far above the surface of other lakes, and, as the sun arose, i saw it throwing off its nightly clothing of mist…"