The growing popularity of computer-based activities was widely expected to result in a decline in television viewing, since it had been assumed that people lack sufficient free time to maintain current television-viewing levels while spending increasing amounts of free time on the computer. That assumption, however, is evidently false: in a recent mail survey concerning media use, a very large majority of respondents who report increasing time spent per week using computers report no change in time spent watching television.

In order to evaluate the argument, it would be most useful to determine which of the following?


Whether the survey collected information about the amount of money respondents spent on free-time media use

Whether the amount of time spent watching television is declining among people who report that they rarely or never use computers

Whether the type of television programs a person watches tends to change as the amount of time spent per week using computers increases

Whether a large majority of the computer owners in the survey reported spending increasing amounts of time per week using computers

Whether the survey respondents' reports of time spent using computers included time spent using computers at work

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情景：电脑活动的增加减少了电视的使用率。一直以来，人们认为缺乏足够的空余时间是看电视时间减少的原因。但是，人们的认为显然是错的。最近的一个邮件调查显示，有一群人报告说自己增加了用电脑时间却没有减少看电视的时间。

推理：

前提：看电视的时间没有减少
结论：人们不缺乏空余时间

答案预估：

要么给出产生“看电视的时间没有减少”的另外一个原因，要么讨论“人们不缺乏空余时间”与“看电视的时间没有减少”之间的关系。

选项分析：

A选项：这个调查有没有调查回复者花多少钱在空余时间的媒体使用上？本选项虽然提到了调查，但是没能解释为何增加了用电脑时间却没有减少看电视的时间，所以不能评估该果因推理。

B选项：那些从来不用或者很少用电脑的人是不是下降了他们看电视的时间？本选项讨论的是不用电脑的人的情况，和推理文段讲述的内容没有关系。

C选项：在每周用电脑时间上升后，人们看的电视节目的种类是不是发生了变化？电视节目的种类是看电视的时间是两个完全独立的概念，所以本选项和推理文段没有关系。

D选项：是否有很大一部分在调查中的电脑拥有者都报告说自己每周用电脑时间增长了？推理文段的果是指在用电脑时间增长的基础上，看电视的时间长短问题，所以本选项没有提到果的内容，不能评估推理文段。

E选项：Correct. 调查的回复者提到的用电脑的时间是不是包括了在工作用用电脑的时间？本选项直指因果之间的联系，即，“果”中并没有说这些人用电脑的时间的增加仅限于空闲时间，而“因”中却说在空闲时间花在电脑上更多的情况下，所以本选项质疑了因果之间的这个gap。

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