Which literary device is employed in the following sentence from Herman Melville’s short story "Bartleby, the Scrivener"?

And here Bartleby makes his home, sole spectator of a solitude which he has seen all populous—a sort of innocent and transformed Marius brooding among the ruins of Carthage!

Question

Which literary device is employed in the following sentence from Herman Melville’s short story "Bartleby, the Scrivener"?

And here Bartleby makes his home, sole spectator of a solitude which he has seen all populous—a sort of innocent and transformed Marius brooding among the ruins of Carthage!

anonymous · Answer

(A) Allegory
(B) Irony
(C) Allusion
(D) Symbolism