The author of the text that contains this quote appeals to the reader's sense of logic by quoting an authority/expert on the matter. Taking into consideration that expert's opinions, in argument, are as close to a fact as you can get without actually using a fact, this shows us how your best answer here is option B.
<span>They both wanted to become a light weight boxing champion of the world.
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The prefix for defendant is codefendant.
Answer: A desire for peace? I think.
