Generally the most effective rebuttal to the counterclaim is to prove that the counterclaim is either false, or make it so that it sounds like it is not a big obstacle to the claim you are trying to make.
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I think the correct answer from the choices listed above is option B. The sentence that states the claim would be sentence 6 which is " Nothing seemed to work." <span> A </span>claim<span> is a statement that asserts something to be true. Hope this answers the question. Have a nice day.</span>
Imagery, emotional language, amplification