Read the following excerpt from frederick douglass's autobiography: i had the strongest desire to see baltimore. cousin tom, though not fluent in speech, had inspired me with that desire by his eloquent description of the place. which one of these did douglass use to establish ethos? a. subjectivity b. formal diction c. slang d. spare detail

Douglass used formal diction to establish ethos.

Formal diction refers to the careful selection of words that are polite, concise and uses a formal language in order to pass across a message.

In this example given, words such as "eloquent", "fluent", and the accurate use of the words and the way that the message was passed across showed that Douglas used a formal diction.

Therefore, the correct option is B.

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c is the answer because first she would blush to make the reader wonder why which they find out in the next line.