3. Jazz was influenced by other music.

What evidence from the text supports this statement?
A "Music served as a psychological shield against the floods, fires, epidemics, and
riots that marked New Orleans history, for it provided an excuse to forget, or a
spur to overcome, the problems brought on by both nature and society."
B "No musical genre was more popular than opera, and the arias that could be
heard throughout the city day in and day out had a profound impact on the
melodic styles of the musicians who created the jazz idiom..."
C "One way to listen to classic New Orleans jazz at its best is to imagine the
complexity of the melodies as representation of its polyglot communities."
D "Jazz continued to survive in varying degrees in New Orleans as the music
spread around the world, and by the 1940s the Crescent City became a Mecca
for jazz lovers."