Read the excerpt from "The Weary Blues" by Langston Hughes. Then, answer the question that follows.
He made that poor piano moan with melody. (1)
O Blues! (2)
Swaying to and fro on his rickety stool (3)
He played that sad raggy tune like a musical fool. (4)
Sweet Blues! (5)
Which element of poetic form appears at the beginning of lines 2 and 5?
Alliteration
Enjambment
Indention
Simile