单选题 Like most other coastal towns in Norway, the town of Stavanger was quiet and peaceful until the early 1960's, when it became Norway's center for offshore oil exploration. Between then and now, violent crime and vandalism in Stavanger have greatly increased. Stavanger's social problems probably resulted from the oil boom, since violent crime and vandalism have remained low in coastal towns in Norway that have had no oil boom.
Which of the following most accurately describes the method of reasoning employed in the argument?

A、 Arguing that a circumstance is not a precondition for a phenomenon on the grounds that the phenomenon sometimes occurs where the circumstance is not present.
B、 Arguing that a circumstance is a cause of a phenomenon on the grounds that the phenomenon has not occurred where the circumstance is not present.
C、 Arguing that a particular thing cannot have caused a phenomenon because that thing was not present before the phenomenon occurred.
D、 Attempting to establish a claim by arguing that the denial of the claim is inconsistent with the observed facts.
E、 (E) Attempting to establish that certain circumstances that would have had to occur for a particular explanation to be correct could not have occurred.

【正确答案】 B

【答案解析】[解析] 本题为GRE1992年2月国内考题的重考题目，但这里是把原题的答案放入段落中，变成逻辑应用与技法来考查。请体会最新考题的命题动向，并请参阅假设类的讲解进行思维。建议大家把本题的5个选项译成中文，体会(B)正确的原因。