GMAT Critical Reasoning (CR) | Although 90 percent of the population believes

Although 90 percent of the population believes itself to be well informed about health care, only 20 percent knows enough about DNA to understand a
news story about DNA. So apparently at least 80 percent of the population does not know enough about medical concepts to make well-informed personal medical choices or to make good public policy decisions about health care.

The argument’s reasoning is questionable because the argument fails to demonstrate that

(A) those people who can understand
...

---