Read the excerpt from "The Ballad of Reading Gaol [Jail]” by Oscar Wilde.I never saw a man who lookedWith such a wistful eyeUpon that little tent of blueWhich prisoners call the sky,And at every drifting cloud that wentWith sails of silver by.

“Wistful” describes someone who looks with quiet longing or yearning. The prisoner gazes at the small patch of blue sky and drifting clouds, suggesting he longs for the freedom and open world beyond the prison. Therefore, “longing” is the best choice.

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