Which sentence best summarizes this excerpt from book 21 of the odyssey?
A. Ulysses gets the bow from lphitus as a token of their friendship
B. Ulysses avenges lphitus by attacking his murderer Hercules
C. Ulysses makes his vow to see lphitus again by gifting him a sword
D. Ulysses helps lphitus search for his strongest horses and donkeys