A good place for reviewers to start is with:
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A. an analysis of the work's context.
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B. a quotation from the work's creator.
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C. their emotional reaction to a work.
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D. the opinions of other reviewers.

A good place for reviewers to start is with:

A. an analysis of the work's context.

Explanation:

The work of a reviewer can become really strenuous when the work is too extensive or complex, so an ideal first step is to do a context analysis, that is, not to focus directly on the object of the work but everything that led to its creation, as its historical, social, political or academic base, and all that it would involve, which can give you a general idea of the work, which you will surely use later as prior knowledge to objectively analyze the works without making mistakes like misinterpretations.

quote is the answer your looking for.