Question 11:
Many people suffer an allergic reaction to certain sulfites, including those that are
commonly added to wine as preservatives. However, since there are several wine
makers who add sulfites to none of the wines they produce, people who would like to
drink wine but are allergic to sulfites can drink wines produced by these wine makers
without risking an allergic reaction to sulfites. Which of the following is an assumption
on which the argument depends?
A. These wine makers have been able to duplicate the preservative effect produced
by adding sulfites by means that do not involve adding any potentially allergenic
substances to their wine.
B. Not all forms of sulfite are equally likely to produce the allergic reactions.
C. Wine is the only beverage to which sulfites are commonly added.
D. Apart from sulfites, there are no substances commonly present in wine that give
rise to an allergic reaction.
E. Sulfites are not naturally present in the wines produced by these wine makers in amounts large enough to produce an allergic reaction in someone who drinks these wines.
答案是D. 但是我觉得E更对，因为题干问的是an allergic reaction to certain sulfites，而D中说的是普通的allergic reaction，概念不同。不知各位高人如何看？
D is correct
if i am right, you are talking about the parallel between curtain and 普通的. I think that commonly is adv. and curtain is adj.
E is not acceptable.
according to the passage, people are allergic to sulfites, no information regarding amount mentioned at all. so that, even E is assumed, it is not clear whether it is of supportive to the the conclusion.
选E。对D取非，there are other substances commonly present in wine that give rise to an allergic reaction，不能削弱people can drink wines produced by these wine makers without risking an allergic reaction to sulfites 的结论。
thank you all, I made a wrong choice of D on account of my carelessness, the conclusion is concerning with allergic reaction to sulfites. if it suggested avoiding allergic reaction to wine itself. then D is worth considering.
According to the conclusion, sulfites is not only used as additive, but also contained in the wine as ingredient, therefore the amount contained in the wine should be assumed.
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