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题目材料：
Survery* of preferred method to obtain news, by age-group
*Each person surveyed indicated one of the four methods as his or her preferred method to obtain news.
For the age-group 50 and older, the number of people who indicated the Internet as their preferred method to obtain news is approximately what percent less than the number of people who indicated radio?
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A.12%
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B.27%
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C.36%
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D.45%
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E. 50%
B显示答案
