一双鞋子若卖140元,可赚40%,若卖120元可赚请选择ABCD5T)y-v3\3j'o3o8g9F1?2F+t1k2{/i5T'`1n9X2S-l;U
A. 20%+t1k2{/i5T'`1n9X2S-l;U
B. 22%+t1k2{/i5T'`1n9X2S-l;U
C. 25%+t1k2{/i5T'`1n9X2S-l;U
D. 30%+t1k2{/i5T'`1n9X2S-l;U