The literary technique that is evident in these words from Beowulf is alliteratiom. Option B is correct.
Fain of his fell spoil, faring,
Alliteration is a literaty technic characterized by the conspicuous repetition of identical initial consonant sounds in successive or closely associated syllables within a group of words, even those spelled differently.In this case, the consonat that is repeated 3 times is F. As a method of linking words for effect, alliteration is also refered to as head rhyme or initial rhyme