The answer is C as shown on brainly. Theres a question posted on brainly just the exact same as yours. I'd stick with C because the person had given a full explanation to it, I can't copy & paste but I would if I could.
Swing was the first f<span>orm of Jazz that introduced non conventional instruments.
</span><span>Swing uses a strong anchoring rhythm section which supports a lead section that can include brass instruments, including trumpets and trombones, woodwinds including saxophones and clarinets or stringed instruments including violin and guitar; medium to fast tempos; and a "lilting" swing time rhythm. </span>