Why Do Oedipus's Sons Want Him to Return to Thebes

Multiple Choice

Why do Oedipus's sons want him to return to Thebes?

A) The oracle says that the city that earns his goodwill will prosper after his death.
B) The oracle says that Oedipus is the only one who can solve the riddle of the Sphinx.
C) The oracle says that only Oedipus can put an end to the plague in Thebes.
D) They love him and miss him, even though he is their brother as well as their father.