Which sentence uses parallel structure?
a. once things are done, there is no need to dwell on them, to worry about them, or to decide who is to blame.
b. as long as you use your best judgment, learn from your mistakes, and taking advice, you'll grow as a person.
c. science provides us with some answers, some questions, and figuring out how our world works.
d. spring is a time for growth, renewal, and to rain.

[i]n the light of this idea, it goes without saying thatinjustice is a commonplace. but this did not mean that onecould be complacent, for the second idea was of equalpower: that one must never, in one's own life, accept theseinjustices as commonplace but must fight them with allone's strength. this fight begins, however, in the heart andit now had been laid to my charge to keep my own heartfree of hatred and despair. this intimation made my heartheavy and, now that my father was irrecoverable, i wishedthat he had been beside me so that i could have searchedhis face for the answers which only the future would giveme nowwhich statement best describes the intended aesthetic impact of this excerpt? a. as the narrator reveals his hatred toward those who were not like him, thereader feels disappointed because he has not changed.b. as the narrator remains resolute in his anger, he reveals the theme of nevergiving up and staying true to one's dreams.c. as the narrator grasps his own rebellious nature, he finally realizes his fatherwas just like him.d. as the narrator recognizes the need to eliminate the hatred in his heart, thereader feels satisfied by the narrator's personal growth.