A critical analysis essay requires the use of formal language to maintain professionalism and academic integrity. Informal language or slang should be avoided in order to present arguments and analyses clearly. A formal tone helps convey a more objective perspective when discussing the text being analyzed. ;
Formal language should be used in a critical analysis essay to maintain professionalism and clarity. It avoids informal expressions and focuses on clear, structured communication of ideas. Thus, the correct answer is C. formal.
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