I gazed - and gazed - but little thought
what wealth the show to me had brought:

In this line from "I wandered lonely as a cloud", the poetic devices the poet uses are

A. simile, personification, and metaphor
B. metaphor, alliteration, and repetition
C. repetion, alliteration, and onomatopoeia
D. onomatopoeia, personification, and simile