”Pleasure’s moth” is an example of a/an?

UNSEEN PROSE AND POETRY

Read the poem below and answer the question

Now, Joy is born of parents poor,
And Pleasure of our richer kind;
Though Pleasure’s free, she cannot sing
As sweet a song as Joy confined.

Pleasure’s a moth, that sleeps by day
And dances by false glare at night;
But joy’s a Butterfly, that loves
To spread its wings in Nature’s light.

A. irony
B. hyperbole
C. metaphor
D. simile

Correct Answer:

Option C – metaphor