能与1/4:1/3组成比例式的是 请选择ABC8b:T,B,M9v'p/P,w:[3l3g9a7h/J(a,D:H-[
A.A.1/4:1/3:[3l3g9a7h/J(a,D:H-[
B.3:4:[3l3g9a7h/J(a,D:H-[
C.4:3:[3l3g9a7h/J(a,D:H-[