这是一道GRE逻辑题 Neither the Sami nor the Kephrian delegationsatte

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这是一道GRE逻辑题
Neither the Sami nor the Kephrian delegations
attended the international conference.Beforehand.the
delegations of Daqua and Kephria.allies whose
governments had grievances against Tessia.officially
announced that one or both of the two would stay away
if the Tessian delegation attended the conference.In
response,the Sami delegation officially announced that
it would definitely attend if both the Daquan and
Kephrian delegations stayed away.
If the statements given are all true and all the
delegations adhered to their official announcements.
it must also be true that the
(A) Daquan delegation attended the conference
(B) Daquan delegation did not attend the conference
(C) Sami government had no grievance against
Tessia
(D) Tessian delegation did not attend the conference
(E) Tessian delegation made no official
announcement regarding its attendance at the
conference

为了简便,用S,K,D,T代表4个代表团.现在的困惑是,A,B选项互相矛盾,根据排中律,肯定有一个对.但是结合实际情况会发现,D去的话可以没有理由,D不去是因为T去了,也可以是其他理由,因为题目并没有说信息是随时互通的,所以S去不去只能根据官方的宣告,而不能根据结果去推理,假设T去了,S根据宣告知道D和K至少有一个不去,但他并不能确定D和K能否同时不去,所以他去不去都可以,所有人只能等会议开始了才真正知道去了哪些人.
除非四国互派使者,每个代表团一出发就能被其他代表团知道,当作出不去的决定的时候也能被他国立即知道,否则只能根据官方宣告判断其他国去不去,而仅靠题目里的宣告根本推不出去或不去的,信息互通的话A就对了.
要我看的话,这道题目很复杂,但是选项很弱智,直接看到E选了就不用费脑子了,我们都想复杂了.

这是一道GRE逻辑题 Neither the Sami nor the Kephrian delegationsatte neither mother nor daughter_____seen the film. Neither Lucy nor Jill enjoys the movie. 一道GRE逻辑题不会Hastings‘ contracture is a disorder of the connect neither the parents nor the children learn the old language. ( )neither the teacher nor the students in the classroom at Neither the students nor the teacher ________ the answer to Either Jack or the driver和Neither Jack nor the driver 哪个是表示杰英语就近原则1neither the prices nor the quality has changed,为什么是ha It was worth neither the time nor the money.意思? Neither the students nor the teacher konws anything about it Jane has neither read the novel nor ___ the film.