I believe your answer would be D: “It emphasizes the struggles the speaker has experienced in life.”
Cattle.
Cattle is a common noun & isn't part of any names, places, etc.
A portion of the Moon passes through Earth's shadow.
It is produced by the processes of living organisms which draw in calcite to construct their shells and structures. The shells and structures that remain(the clasts in this case) after the organisms have died become cemented together into the rock conquina.
