In the past, record companies would often release singles as a way to promote their musicians’ albums. Why has this practice les

题目：In the past, record companies would often release singles as a way to promote their musicians’ albums. Why has this practice lessened in recent years?

A. .People don’t listen to pop music as much as they used to

B. .They are too expensive to produce

C. .The internet has made music more readily available free of charge, so people don’t buy music as readily anymore

D. .The economy is bad, and people don’t have the extra money to spend on singles

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