Read the passage.
The wind was a torrent of darkness among the gusty trees,
The moon was a ghostly galleon tossed upon cloudy seas,
The road was a ribbon of moonlight over the purple moor,
And the highwayman came riding-
Riding-riding-
The highwayman came riding, up to the old inn-door.
What elements contribute to the rhythm?
A.the imagery of the highwayman riding
B.alliteration
C. the length of the lines
D. the setting