<span>This is best reflected in “When I Heard the Learn’d Astronomer,” when Whitman goes out at night and looks at the stars.
After a boring lecture during his class, he wanders out of the classroom and starts staring at the stars. This is when his most wondrous and clever thoughts emerge when the full impact of the era of Transcendentalism is obvious.
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When writing a thesis statement, you should avoid making a claim without any backup to your claim. The second possible answer, "making a claim," doesn't say "making a claim with backup," and so I would say the answer to this question is B; "making a claim."
The answer is B. Inferences.