Beowulf help

When Beowulf first speaks with Hrothgar, he says, “I have come so far,/ O shelterer of warriors and your people’s loved friend,/ That this one favor you should not refuse me […]”, what device is Beowulf using in this quote and why is he using it?

a. Beowulf is using alliteration in order to emphasize why he has come.

b. Beowulf is using personification to emphasize the humanity of Hrothgar as a leader.

c. Beowulf is using flattering epithets in order to convince the king to allow him to kill Grendel.

d. Beowulf is using an apostrophe to show he is desperate for glory.