Read this passage from "The Obligation to Endure": Another factor in the modern insect problem is one that
must be viewed against a background of geologic and
human history: the spreading of thousands of different
kinds of organisms from their native homes to invade new
territories. This worldwide migration has been studied and
graphically described by the British ecologist Charles Elton
in his recent book The Ecology of Invasions.
Which appeal(s) does Carson most rely on in this passage?
A. Pathos and logos
B. Logos and ethos
C. Pathos
D. Ethos