The simplification of $(0 . \overline{6}+0 . \overline{7}+0 . \overline{8}+0 . \overline{3})$ yields the result:
$10 / 9$
$20 / 9$
2. $\overline{35}$
$23 / 5$
0.6666666=6/9=2/3
0.7777777=7/9
0.888888=8/9
0.33333=3/9
Total= (2+7+8+3)/9=20/9
Option B