Who was an important person to contemporary jazz?

Arguably one of the most important figures in American history, Louis Armstong, known as “Satchmo” or “Pops” was an incredibly influential jazz trumpet player and singer from New Orleans. He is recognized as one of the greatest musicians of all time having a major role in the creation of modern jazz. With his virtuosic abilities on the trumpet, he is largely accountable for the recognition of the trumpet as a solo instrument in jazz music. He is also one of the first scat singers and is responsible for its popularization. His singing influenced people like Frank Sinatra and Bing Crosby, while his trumpet playing inspired the likes of Miles Davis and Dizzy Gillespie. His influence on music as a whole is almost immeasurable, both in terms of his singing and trumpet playing which have earned him a variety of honors and awards

C. she wanted to answer sexist rumors about her paintings.

Iwould go with write exactly two extra paragraphs to point out additional information. but the keyword "exactly" throws me off. leads me to believe it's d. go with your gut feeling. either "write exactly two extra paragraphs" or "none of these".