At a certain library, audio books on CDs can be checked out for three weeks at a time while music CDs can be checked out for only ten days at a time. The library initially categorized audio books in such a way that they could only be checked out for ten days at a time, but the library director recently changed the library's policies so that audio books could be checked out for three weeks at a time.
Which of the following is a premise upon which the library director's decision could have been based?
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Initially: audio book - 10 days & music CD - 10 days (somehow audio book & music CD were thought to be similar that why they were allowed to be checked out for 10 days for both)
Changed to: audio book - 3 weeks & music CD - 10 days (somehow audio book & music CD are thought to be dissimilar/different that why they are allowed to be checked out for 3 weeks &10 days respectively --> any thought related to this will be directory thinking/premise/support) A. In the ways that people use them, audio books are more similar to printed books than they are to recorded music. -->
correctB. audio books cost, on average, more than twice as much as the equivalent hardcover version of the printed book. --> cost is not the point discussed here. No comparison related to audio book & music CD
C. People who checked out audio books, like people who checked out recorded music, often kept the library's materials longer than the authorized ten-day period. -->
weaken: showing similarity between audio book & music CD. If both audio book is checked out by the people like those who checked out music CD, then why both are not allowed to be checked out for 3 weeks?
D. Because most people can listen to a story for a longer period than they can read the same story, most people finish audio books faster than they could finish the printed version. --> irrelevant: No comparison related to audio book & music CD
E. To get the most out of a book, people should read the original edition of the printed text instead of a condensed audio book version. --> irrelevant: No comparison related to audio book & music CD