Question

Which of these sentences contains an allusion?

Roberto spoke to us as though he had just come down from Mt. Olympus.
Roberto was not the easiest guy to talk to--he was hard to impress, too.
Roberto was the most arrogant kid in our class, maybe in the whole school.
Roberto arrived during the second week of school, wearing very new clothes.

Answer 1

Roberto spoke to us as though he had just come down from Mt. Olympus.

Answer 2

The first one.

Step-by-step explanation:

It alludes to Mt. Olympus, self-explanatory enough.