Read the following excerpt from Frederick Douglass's autobiography:
I was kept almost naked—no shoes, no stockings, no jacket, no trousers, nothing on but a coarse tow linen shirt, reaching only to my knees. I had no bed. I must have perished with cold, but that, the coldest nights, I used to steal a bag which was used for carrying corn to the mill.
Which one of these did Douglass use to establish ethos?
A. Emotional language
B. Detailed imagery
C. Slang
D. Subjectivity