To see if he would do the bet or he wouldnt
C. assonance, because assonance is when two or more words close together repeat the same vowel sound but have different consonant sounds. In this case, the "ea" is repeated
Hyperbole
If don't know what it means its best to start of with what you do know
Process if elimination.
It's not a simile because it has no like or as.
Its not Personification cause its not giving the object human features.
And its not metaphor cause its not literally Applicable. I'm assuming.
So that just leaves you with hyperbole.