9.
如图,矩形ABCD的面积为5,它的两条对角线交于点O1,以AB、AO1为两邻边作平行四边形ABC1O1,平行四边形ABC1 O1的对角线交BD于点O2,同样以AB、AO2为两邻边作平行四边形ABC2O2,…,依此类推,则平行四边形ABC2016O2016的面积为( )
0 284081 284089 284095 284099 284105 284107 284111 284117 284119 284125 284131 284135 284137 284141 284147 284149 284155 284159 284161 284165 284167 284171 284173 284175 284176 284177 284179 284180 284181 284183 284185 284189 284191 284195 284197 284201 284207 284209 284215 284219 284221 284225 284231 284237 284239 284245 284249 284251 284257 284261 284267 284275 366461
| A. | $\frac{5}{{2}^{2015}}$ | B. | $\frac{5}{{2}^{2016}}$ | C. | $\frac{5}{{2}^{2014}}$ | D. | $\frac{5}{{2}^{2017}}$ |