[单项选择]Louis Armstrong had two famous nicknames. Some people called him Bagamo. They said his mouth looked like a large bag. Musicians often called him Pops, as a sign of respect for his influence on the world of music. Born in 1901 in New Orleans, he grew up poor, but lived among great musicians. Jazz had been invented in the city a few years before his birth. Armstrong often said, "Jazz and I grew up together. " Armstrong showed a great talent for music when he was taught to play the comet at a boy’s home. In his late teens, Armstrong began to live the life of a musician. He played in parades, clubs, and on the steamboats that traveled on the Mississippi River. At that time, New Orleans was famous for the new music of jazz and was home to many great musicians. Armstrong learned from the older musicians and soon became respected as their equal. In 1922 he went to Chicago. There, the tale of Louis Armstrong began. From then until the end of his life, -Armstrong was celebrated a A. His tale began in New Orleans. B. He had been born before jazz was invented. C. His music was popular with his listeners. D. He learned popular music at a boy’s hom