Option correct is B, It creates a musical, rhythmic quality.
- Let´s repeat this fragment with a loud voice:
It was the fantastic drowse and drum hum of lum mum afternoon nathin' to do, ole Frisco with the end of land sadness
¿Can you hear the rhythm?
This figure of speech is called alliteration. It consists of the repetition of one or several sounds within the same word or phrase.