Apollo was famous for his oracles at ______ where he purified those guilty of sins and prophesied the liberation.

"Apollo was famous for his oracles at （ ）where he purified those guilty of sins and prophesied the liberation。 "。 A: Troy B: Delphi C: Athens D: Sparta

In Delphi all Greeks go to a temple of a god for oracles and they asked the god for advice or prophecy. A priestess would give an answer on behalf of the god which called an oracle. What is the god? A: Apollo B: Zeus C: Helios D: Athena