How might the structure of the first passage best be distinguished from that of the second passage?

Responses
A Only the first passage is really about the Mississippi River.Only the first passage is really about the Mississippi River.
B The first passage is descriptive; the second passage is discursive.The first passage is descriptive; the second passage is discursive.
C The first passage is informational; the second passage is fictional.The first passage is informational; the second passage is fictional.
D Only the second passage contains real content, instead of just meaningless facts.

B The first passage is descriptive; the second passage is discursive.