Answer:
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In the context of the second paragraph (Lines 12-20), the author uses phrases like "Pollyanna-ishly optimistic" and "incredibly cynical" primarily to:
B. discuss some common misconceptions about the novel among adult readers
The author suggests that the novel's treasured status may be due to the fact that it is "incredibly cynical" and that some readers may have misinterpreted its message as "Pollyanna-ishly optimistic." This implies that the novel's complexities and nuances may have been overlooked or misconstrued by some readers.
Step-by-step explanation: