4. There are many styles and subgenres of Country Music in these days. All of them, their primary origin is from white, working-class Americans who blended together _________

Country and folk music have a lot in common, but the basic differences are: A: . In folk , the songs are often about political issues and events, country music songs are usually about personal issues. B: . There are many styles and subgenres of Country Music in these days. C: . Generally speaking, country music groups are larger than folk music singing groups. D: . All of the above.