The current economic downturn has significantly reduced advertising income both for business journals as well as general consumer magazines, especially if focusing on technology.
A.has significantly reduced advertising income both for business journals as well as general consumer magazines, especially if focusing
B.has significantly reduced advertising income both for business journals and for general consumer magazines, especially those focusing
C.significantly reduced advertising income for both business journals and for general consumer magazines, especially when focused
D.reduced both business journals’ and general consumer magazines’ advertising income significantly, especially if focused
E.reduced advertising income significantly for both business journals, as well as for general consumer magazines, especially those focusing
为什么不选D呢？ B中的those指代什么呢？谢谢
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发表于 2010-2-22 21:10:26
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