Read these lines from Emily Dickinson's poem "435" ("Much Madness is divinest Sense"):

Much Madness is divinest Sense –
To a discerning Eye –
Much Sense – the starkest Madness –
'Tis the Majority
What are lines 2 and 4 an example of?

A.
Metaphor

B.
Eye rhyme

C.
Slant rhyme

D.
Simile