How does the audience learn the background story of Miranda and Prospero?

A. Ariel tells the audience how Prospero and Miranda arrived on the island.
B. Prospero tells Miranda the story of how they ended up on the island.
C. A narrator interrupts the story to inform the audience of each character's story as characters freeze on stage.
D. Miranda recounts to Ferdinand the events that resulted in her and her father being on the island.