7. Those who participate in local politics include people who are genuinely interested in public service and people who are selfish opportunists. Everyone who participates in local politics has an influence on the community’s values.
If the statements above are true, which one of the following must also be true?
(A) Some selfish opportunists have an influence on the community’s values.
(B) Some persons who are interested in public service do not have an influence on the community’s values.
(C) All those who have an influence on the community’s values participate in local politics.
(D) Some of those who influence the community’s values neither are interested in public service nor are selfish opportunists.
(E) All those who have an influence on the community’s values are either interested in public service or are selfish opportunists.
answer:A
请问d哪里不对啊
include是代表who participate in local politics 这种人只分成两种（ genuinely interested in public service 和selfish opportunists.）吗？
当people has an influence on the com value=people participates in local politics=public service+selfish时，D就不成立了。而这种情况文章中所述的情况的一种可能性，不能完全排除，因此。。。
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