The writer of Childe Harold's Pilgrimage is______.

A．American blacks wrote the first blues song
B．Handy composed the song "Dallas Blues"
C．the blues became popular in U.S.
D．Instrumental blues appeared

A．It brought blues back to Europe
B．It spread blues to the world
C．The blues became shared by American soldiers both from south and north
D．It made the blues become the important element in abolishing segregation among American soldiers