Who says the following and why?

"I'll bed down there by the dark hull tonight,
at dawn push off for the proud Cauconians.
Those people owe me a debt long overdue,
and no mean sum, believe me." *

A). Telemachus is politely declining Nestor's invitation.

B). Athena is directing Telemachus to stay with Nestor.

C). Nestor is explaining why he is leaving the feast.

D). Telemachus is preparing to depart to Sparta by sea.