The character that would Steinbeck most likely use to convey a message about morality or a code of ethics is Jim Casy. Thus, the correct option is A.
In literature, a code of ethics may be described as a documented and written record that incorporates righteous approaches to be obeyed by practitioners and is prepared to instruct their behavior and conduct.
Steinbeck most likely talks about morality or a code of ethics in his literature in detailed paragraphs by giving the reference to a character who is the reverse of Tom Joad's initial characterization named Jim Casy.
Therefore, the correct option for this question is A.
To learn more about the Code of ethics, refer to the link:
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