请选择ABCD'C1o3l9A'{ 小明搬来一架2.5米长的木梯，准备把拉花挂在2.4米高的墙上，则梯脚与墙脚的距离为米8y1d+{.C,G(s0E-B
A．0.78y1d+{.C,G(s0E-B
B． 0.88y1d+{.C,G(s0E-B
C．0.98y1d+{.C,G(s0E-B
D．1.08y1d+{.C,G(s0E-B