Our geography teacher told us the sun _______ in the east and sets in the west.
A:gets
B:faces
C:rises
D:lifts
天籁音乐行出售三种音乐CD,即古典音乐,流行音乐,民族音乐,为了表示这三种唱片的销售量占总销售的百分比,应该用( )