My best guess is it is B. To enlighten with comparison of their souls with graves as the resting place for holocaust victims.
C. Because if your reading a peers story the most likely want constructive criticism. That’s supposed to help the writer improve their skills!
You are correct in saying that it is y, for instance pygmy.
<span>Audrey was the youngest of three to four thousand black children who marched, protested, sang, and prayed their way to jail.</span>