Answer:
A: Cause/Effect organization
Explanation:
In the passage, you can see one thing slowly leads to another: Oedipus accidentally kills his father, and because of that Jocasta kills herself, leaving Oedipus to resign from the throne. If Oedipus had not killed his father, then Jocasta wouldn't have killed herself, and he wouldn't have left the throne.
20 years would be my answer
