C is your answer im pretty sure
The topic of an article is what the article explains (option b)
hope this helps :)
If Zack is like the alienated workers interviewed in Terkel’s (1974) classic study, he would most likely describe himself as a <span>"cog in a faceless machine of industry."
This also refers to the fact that there is no individuality involved here - all workers are the same, there is no difference between them, and they are treated as if they were just elements needed to complete a system, and not as real humans.
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