请教狒狒逻辑135中第一题 - ChaseDream

新东方老师说选A，宝典注释D。我自己当时做的时候也是D，请NN帮我分析一下A，D两个选项，多谢！

1. Although 90 percent of the population believes itself to be well informed about health care, only 20 percent knows enough 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 news stories about DNA are able to make well-informed personal medical choices

(B) more than 20 percent of the population needs to be well informed about health care for good public policy decisions about health care to be made

(C) one’s being able to make well-informed personal medical choices ensures that one makes good public policy decisions about health care

(D) an understanding of DNA is essential to making well-informed personal medical choices or to making good public policy decisions about health care

(E) since 90 percent of the population believes itself to be well informed about health care, at least 70 percent of the population is mistaken in that belief.

我觉得都说得通：A，概念差异 knows enough about DNA和know enough about medical concepts ，架桥

而D可以认为是不知道DNA，就不能 make well-informed personal medical choices or，固DNA是必要条件

以下是引用even123在2008-5-8 0:29:00的发言：