Which event in the story causes Aegeus to change his sense of hope in "The Adventures of Theseus"?
A. Theseus tells his father that he is going to fight the Minotaur.
B. King Minos destroys Aegeus' land and his fleet of ships.
C. The sailors forget to raise a white flag on the ship, so Aegeus thinks Theseus is dead.
D. King Aegeus watches the young men and maidens sail away and is greatly saddened.