sad because he had remembered his past with his dad
The answer is A, it was Creon's excessive pride which led him to his tragedy and to the death of practically his whole family. Just because he couldn't give in and let go of his hubris, or excessive pride.
Answer would be: “When forty winters shall besiege thy brow. And dig deep trenches in thy beauty’s field.”
Based on the given excerpt above, I can say that the what the carp represents here are DEATH and INNOCENCE. Death here refers to how the twenty-pound carp was being treated and innocence refers to the teachers and boarding students who tasted the carp. This excerpt is actually from Yun Wang's "The Carp" and this lyric poem reflects his bad experiences from his father, such as imprisonment and torture.