O'brien and Mr. Charrington are both accused of thought crime.
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The speaker is using allusion it this line.
Allusion is a figure of speech in which something outside of the source text is being referred to. So here, Bacchus, Satan, and the Hangman aren't actually characters in this literary piece of work, but the author is making a reference to them nevertheless.
C. The setting and characters are presented in unusual ways.
The teacher gave the instructions quickly, or slowly. Any is fine
