Answer:
A and C
Step-by-step explanation:
A and C because they not only have a cultural background, but also because those stories are related to mythological beings from ancient Greece, and those stories are meant to explain the origin and cause of some events that are related to the Human Nature or to things that don't have a clear explanation.
On the other hand, B and D aren't meant to explain anything, or to any mythological being. All of the stories have the classic literary structure (Starting point, climax, ending.) But their content is different.