Read the following passage from "Resistance to Civil Government" by Henry David Thoreau:

I have paid no poll-tax for six years. I was put into a jail once on this account, for one night; and, as I stood considering the walls of solid stone, two or three feet thick, the door of wood and iron, a foot thick, and the iron grating which strained the light, I could not help being struck with the foolishness of that institution which treated me as if I were mere flesh and blood and bones, to be locked up.
How does Thoreau use ethos in this passage?

A.
By showing that he is willing to go to jail for his beliefs

B.
By making the reader sympathetic to his suffering

C.
By describing the prison he was locked up in, using vivid detail

D.
By linking the crime he committed to the punishment that followed

C.

By describing the prison he was locked up in, using vivid detail