Which figure of speech is used in this text?
I wandered lonely as a cloud
That floats on high o'er vales and hills,
When all at once I saw a crowd,
A host, of golden daffodils . . . —William Wordsworth, "I Wandered Lonely as a Cloud"
A. anaphora
B. assonance
Determine the correct option from the provided choices and reply with its corresponding letter.

B