【单选题】Country music is an American popular-music style. In its current form, country music is a combination of two separate musical traditions: the styles of the Southeastern states and the music of the Sou...
A.
Country music style. and the musical style. of the Southeastern states.
B.
The musical styles of the Southwestern states and the Southeastern states.
C.
The Southwestern musical style. and Texas musical style.
D.
The styles of blues and the black rural dance music.