Which of the Following Was NOT a Major Source of Slaves

Multiple Choice

Which of the following was NOT a major source of slaves in the Hellenistic world?

A) Citizens who could not pay their debts were sold into slavery.
B) Children were sold into slavery by their parents.
C) Prisoners of war became slaves of their captors.
D) Persons kidnapped by pirates could be auctioned off as slaves.
E) Persons whose parents were slaves became slaves.