Section 2, Question 7
Many claim that the evidence for Americans' growing social isolation is ______: families dine together a third less often than they did even in 1980 and participation in community groups and volunteer organizations has declined.
| Blank |
|---|
| (A) undeniable |
| (B) indecipherable |
| (C) unfathomable |
| (D) ambiguous |
| (E) indefinite |
| (F) irrefutable |