It is A because it shows the difference between the two races/cultures. The boy believe he is a devil because he is from a different country and would look different than the American such as cloths.
The answer is A, or By underlining or italicizing it. Doing so draws eye-coordinated attention and emits a connotation that the word is significant to something more overlying than what is said.
Which word is not spelled correctly in the context of the sentence? The ICU nurse-manger wanted all staff to sign the letter complaining about working hours ...