The line "Imitation is suicide" from Ralph Waldo Emerson's "Self-Reliance" uses the rhetorical device metaphor. The correct answer is option C. Metaphor is a figure of speech that is used to convey an implied comparison between two different objects. In this line, the word "imitation" is compared to "suicide".
This is because Jim Crow laws are the laws of racial segregation in the United states that existed from just after the Civil War up until the mid-sixties which is same as the 'To Kill a Mockingbird' by Harper Lee.
I believe that it may be the answer C.