contestada

What sound device is used in lines 19-24?
The Erymanthian Boar
19 To Erymanthus next his course is bent,
20 To seize the Boar by incensed Dian sent,
21 The fell destroyer bound he over him flings,
22 And unto scared Eurystheus quickly brings,
23 The trembling Tyrant shrinks aghast with dread,
24 And in his brazen Vessel hides his coward head
            CHOOSE
A. allusion
b.assonance
c. alliteration 
d. consonance