It can be inferred from the fourth paragraph that______.A.99-cent CDs have greatly boosted
It can be inferred from the fourth paragraph that______.
A.99-cent CDs have greatly boosted the sales volume of music companies
B.free downloading of music still serves as a big threat to music companies' profits
C.iTunes and Napster 2 are both very profitable music companies in the US
D.big music companies will reach an agreement with ffie-sharing companies