一罐液化气62元,20罐液化气大约多少元请选择CBA0a,['R4e/D;R5^2[;|,B(Q(b+N
A.12405^2[;|,B(Q(b+N
B.12005^2[;|,B(Q(b+N
C.1245^2[;|,B(Q(b+N