The written argument base the evidence on the help of the proof the written argument is claiming. So, option (d): " What is the proof for the claim?" is the correct answer.
The proof of documents is the trustable source of a written argument to be valid.
The feelings, the writer's assumptions, and logical reasoning of the writers are not supposed to be voicing the realness of the argument but the proof to support the credibility of the argument is considered the most effective.
Therefore, the proof is the evidence in the written argument,
Check out the link below to learn more about written arguments;
https://brainly.com/question/1579708
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