“Who knows why the cold wind blows!” The literary device used in the above line is

Correct option is C

The correct answer is Assonance, which refers to the repetition of vowel sounds in closely placed words. In this line, the long "o" sound in "who," "knows," and "blows" creates assonance.
· Personification attributes human qualities to non-human objects, which is not evident here.
· Hyperbole is exaggeration, and the line does not show this.