Although Greek by Birth,how Did Polybius Come to Spend His

Although Greek by birth,how did Polybius come to spend his life in Rome?

A) As an educated scribe, he became an important official in the Roman court.
B) He was sent to Rome as a hostage after the defeat of the ruler of Macedon by the Romans.
C) He was a slave taken by the Romans after they defeated Macedon.
D) As a Persian noble, he was married to a Roman in order to cement relations.
E) His family lost power in Egypt and was exiled.