Final answer:
Mark Antony's speech in Julius Caesar contains lines that use logos, which appeal to logic and reason.
Step-by-step explanation:
The lines from Mark Antony's speech in Julius Caesar that use logos are Option B: 'I speak not to disprove what Brutus spoke, / But here I am to speak what I know.' These lines appeal to logos, which is the use of logic and reason to persuade the audience. Antony is stating that he is going to provide factual evidence to support his claims, rather than trying to disprove what Brutus said without any evidence.
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