In this excerpt muir compares a calaveras tree to george washington the purpose of this comparison is to appeal to reader
a. logos and reason
b. ethos and credibility
c. pathos and ethos
d. logos and pathos

Below is the excerpt that can be found elsewhere:

Now some millmen want to cut all the Calaveras trees into lumber and money. But we have found a better use for them. No doubt these trees would make good lumber after passing through a sawmill, as George Washington after passing through the hands of a French cook would have made good food. But both for Washington and the tree that bears his name higher uses have been found.

The answer is D. 

Ithink the answer is d.