如果A是B的75%，那么A：B等于请选择DCBA-w*h4o;I+H(U;a9~1b(H,x2[0n9L0m1P8`-@-E/I*\-M;a6t2B/y3i)u
A．7.5：10m1P8`-@-E/I*\-M;a6t2B/y3i)u
B．1：0.750m1P8`-@-E/I*\-M;a6t2B/y3i)u
C．3：40m1P8`-@-E/I*\-M;a6t2B/y3i)u
D．4：30m1P8`-@-E/I*\-M;a6t2B/y3i)u