it’s either b or d but i’m pretty sure it’s d
The obvious answer would be C. rhyme.
As you can see, each of these lines rhyme: sea rhymes with C, and me, and be. Those words sound similar, which means they rhyme. There are no metaphors (comparisons) and onomatopoeias (mimicking the sounds from nature) here, or alliterations (repetition of the same consonant) in this excerpt.
The first line "<span>For the first time in decades, Baby Boomers have been outnumbered by another group--the Millennials."</span>
C. Descriptive language that appeals to the senses