Which is an example of an internal conflict?
a. a man struggles to stop his home from being consumed by a wildfire
b. a women tries to survive in the woods after being stranded in a plane crash
c. a boy fears that he is evil after he steals food to feed his starving family
d. a girl battles mysterious creatures as she tries to save her kidnapped family

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.

cockroaches and rats often are a symbol for things that are disgusting or vile. though i don't know which play you are talking about, i hope this !