What element of literature is found in the following passage from Dante's Inferno?

I doubt if Phaethon feared more - that time
he dropped the sun-reins of his father's chariot
and burned the streak of sky we see today -
or if poor Icarus did - feeling his sides
unfeathering as the wax began to melt,
his father shouting: "Wrong, your course is wrong" (Canto XVII: 106-111).
Select one:
a. Aside
b. Denouement
c. Allusion
d. Epigram

Question

What element of literature is found in the following passage from Dante's Inferno?

I doubt if Phaethon feared more - that time
he dropped the sun-reins of his father's chariot
and burned the streak of sky we see today -
or if poor Icarus did - feeling his sides
unfeathering as the wax began to melt,
his father shouting: "Wrong, your course is wrong" (Canto XVII: 106-111).
Select one:
a. Aside
b. Denouement
c. Allusion
d. Epigram