一个长方体的底面是正方形,侧面展开也是正方形,这个长方体的底面边长是长方体高的请选择ABCD,m5X/N9n,H5t5A)s/e;d7c(r
A.4倍)s/e;d7c(r
B.1/4)s/e;d7c(r
C.2倍)s/e;d7c(r
D.1/2)s/e;d7c(r