GMAT Sentence Correction (SC) | Michael Pollan's book (c. Platinum GMAT test)

In his best-selling book The Omnivore's Dilemma, which social critics see as yet another piece of evidence to support their thesis of a burgeoning interest in natural food among Americans, Michael Pollan elucidates industrial farming, explains organic farming, and discusses hunting and gathering food for oneself.
A)In his best-selling book The Omnivore's Dilemma, which social critics see as yet another piece of evidence to support their thesis of a burgeoning interest in natural food among Americans,
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