请教07年6月逻辑题

1.Editorialist:  News media rarely cover local politics thoroughly, and local political business is ususally condcuted secretively. These factors each tend to isolate local politicians from their electorates. This has the effect of reducing the cance that any particular act of resident participation will elicit a positive official response, which in turn discourgages resident participation in local politics.

Q: which one of the following is most strongly supported by the ditorialist's statements?

A. Particular acts of resident participation would be likely to elicit a positive response from local politicians if those politicians were less isolated from their electorate.

B. More-frequent thorough coverage of local politics would reduce at least one source of discourgaement from resident participation in local politics.

C. If resident participation in local politics were not discouraged, this would cause local politicians to be less isolated from their electorate.

这道题能用formal logic 推吗? 我怎么推不出答案是B呢?

2. Philosopher :   Nations are not literally persons; they have no thoughts or feeelings, and, literally speaking, they perform no actioins. Thus they have no moral rights or responsibilites. But no nation can survive unless many of its citizens atttribute such righs and responsiilities to it, for nothing else could prompt people to make the sacrifices national citizenship demands. Bovisously, then, a nation_____.

Q: Which one of the following most logically completes the philosopher's argument?

A. can't contibnue to exist unless something other than the false belief that the nation has moral rights motivates its citizens to make sacrifices.

B. can't survive unless many of its citizens have some beliefs that are literally false.

为什么选B呢?