请教LSAT-12-II-11,15,,22,24

以下是引用mindfree在2003-6-15 1:44:00的发言：

Another example, 15T. The conclusion is "there will be a way of giving access to those people who are entitled to access and to no one else". There are two elements in the conclusion: 1. give access to people entitles 2. deny access to no one else". From the passage, only evidence that support the second is presented, so the first one can not be confirmed. So you need to read and think at the same time. Try to find the difference. B is not correct because it is clearly stated in the argument "if this result can be repeated in an operational setting". Without this sentence, B can not the error in reasoning.