Answer:
D. Anyone who has tried to pilot a motorboat through a raft of half-sunken logs and bloated dead cows will have his own thoughts on the accessibility of these waters.
Step-by-step explanation:
This is the excerpt that best shows an example of pathos. Pathos refers to a rhetorical device in which an author appeals to the emotions of the audience in order to persuade them of supporting a position. In these lines, the author mentions negative images such as "half-sunken logs" and "bloated dead cows" in order to motivate the readers to support conservation efforts.