In a piece of fiction, the exposition portion of the plot provides
-an introduction to the main character-an exciting turn of events-important details in wrapping up the story-foreshadowing

Explanation:

The exposition part of a plot usually is developed at the beginning of the story. In this portion, it's often presented the characters that give sense to the history, also during this period important details are shown to explain the sense of the story. This exposition events not take to long, and give the introduction to the plot.

d. murder of a son and cooking the son for a feast

procne murdered her son and served him to tereus, her husband and her son's father. she did this out of revenge. tereus raped her sister, philomela, and cut her tongue out to keep her from talking. philomela managed to communicate it to procne and procne sought revenge.

tantalus murdered his son and fed him to the gods because he was angry with the gods. the gods punished him by putting him in a pool of water that evaporates when he tries to drink and having fruit hang just out of his reach.