【单选题】

How were athletes of ancient Olympic Games rewarded by the event
A．Some of them were honored by having a ring of holy olive leaves.

B．Most of them, in fact, were richly rewarded with prize money by their countries.
C．The winner of foot race was honored by having holy olive leaves instead of prize money.
D．The winner of foot race was the most honorable one, for his name would be remembered for at least a year.