The symptoms that United States President Zachary Taylor began showing five days before his death are consistent with arsenic poisoning. Recent examination of Taylor's bones, however, revealed levels of arsenic comparable to those found in the bones of Taylor's contemporaries. These levels are much lower than the levels of arsenic that remain in the bones of arsenic poisoning victims who live for more than a day after ingesting a lethal dose of the poison.
Which of the following is most strongly supported by the statements given?
The symptoms that Taylor began showing five days before his death are consistent with poisoning other than arsenic poisoning.
Taylor's death was not the result of any kind of poisoning.
The symptoms that Taylor began showing five days before his death were not caused by a lethal dose of arsenic.
The symptoms that Taylor began showing five days before his death grew more severe each day.
It is unusual for a person who has ingested a lethal dose of arsenic to survive for more than a day.
E选项不正确是因为范围无关,没有把讨论范围限定在总统身上。原题目的讨论范围是总统和中毒病人,不是普通人。
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