A. Both primarily use metaphor and simile.
B. Neither uses images related to cities or towns.
C. Both use a majority of natural images.
D. Much of the imagery in both is highly symbolic.
The correct answer to this question is Option C. Both use the majority of natural images.
Explanation
Emerson conveys themes of self-discovery, tranquilly, and a strong bond with nature through the use of vivid natural imagery in both Nature and Society and Solitude. The main emphasis is on pictures of nature rather than cities, towns, or man-made environments, while there may be some symbolic components and metaphorical language.