[求助]PRETEST 11-4-17, LR QUESTION

Teacher: Journalists who conceal the identity of
the sources they quote stake their professional reputations on what may be
called the logic of anecdotes. This is so because the statements reported by
such journalists are dissociated from the precise circumstances in which they
were made and thus will be accepted for publication only if the statements are
high in plausibility or originality or interest to a given audience—precisely
the properties of a good anecdote.

Student: But what you are saying, then, is that the journalist need not bother
with sources in the first place. Surely, any reasonably resourceful journalist
can invent plausible, original, or interesting stories faster than they can be
obtained from unidentified sources.

概括一下学生的话，他无非是说，老师的观点鼓励了编造故事, 因为journalists 可以很容易地写出anecdote. 他这样认为的依据就是误解了老师的意思，他认为statements 只要符合anecdotes的特点就可以发表了。而老师的真正意思是，对于actually made statements（the sources they quote/ the precise circumstances in which they are made, 这两个短语暗示了老师argument 的范围，也就是选项B的 possible prerequsite), 如果conceal identity，那么必须（only if )符合anecdotes 的特点。

再说E为何不对，E 用assurance 就不对了，assurance 是sufficient condition，但老师的argument 里没有提到任何的sufficient condition，他提到的是necessary condition.