正方形的边长扩大2倍，面积就扩大请选择ABCD)n2F0O5o倍。;^*q8p8@7R0|2},^:l7e;a(h:v
A、2;^*q8p8@7R0|2},^:l7e;a(h:v
B、4;^*q8p8@7R0|2},^:l7e;a(h:v
C、8;^*q8p8@7R0|2},^:l7e;a(h:v
D、1;^*q8p8@7R0|2},^:l7e;a(h:v