Rhetorical Question

A question asked without expecting an answer, either because the answer is already implied, or because what matters is the doubt it exposes.

In Inferno

suddenly straightening up, he cried: How? You said he had? Does he not live still? Does the sweet light not strike his eyes?

The questions "Does he not live still? Does the sweet light not strike his eyes?" already carry the answer the father wants to hear. Chained together, they show a hope that unravels with every phrase.

Cantos IX to XII: The City of Dis, The shade that tradition calls Cavalcante, father of the poet Guido, hearing Dante speak of his son in the past tense

it began again to say: why do you tear me? Have you no spirit of pity at all? We were men, and now we have become stumps: your hand should indeed be more merciful, even if we had been souls of serpents.

Cantos XIII to XVII: The Violent, The thorn trunk that Dante wounded in the wood of the suicides, which tradition identifies with Pier delle Vigne

here piety lives when it is well dead; who is more wicked than he who has compassion for the judgment of God?

Cantos XVIII to XXII: The First Five Ditches, Virgil, rebuking Dante, who weeps before the diviners