What fraction of this square region is shaded? Stripes are equal in width, and the figure is drawn to scale.[asy]
unitsize(8);
fill((0,0)--(6,0)--(6,6)--(0,6)--cycle,black);
fill((0,0)--(5,0)--(5,5)--(0,5)--cycle,white);
fill((0,0)--(4,0)--(4,4)--(0,4)--cycle,black);
fill((0,0)--(3,0)--(3,3)--(0,3)--cycle,white);
fill((0,0)--(2,0)--(2,2)--(0,2)--cycle,black);
fill((0,0)--(1,0)--(1,1)--(0,1)--cycle,white);
draw((0,6)--(0,0)--(6,0));
[/asy]<spanclass=′latex−bold′>(A)</span>125<spanclass=′latex−bold′>(B)</span>21<spanclass=′latex−bold′>(C)</span>127<spanclass=′latex−bold′>(D)</span>32<spanclass=′latex−bold′>(E)</span>65