Most of Portugal's 250,000 university students boycotted classes in a one-day strike to protest a law that requires them to contribute $330 a year toward the cost of higher education, previously paying $7 per year.
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Ayear toward the cost of higher education, previously paying $7 per year
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Byear toward the cost of higher education, for which was previously paid $7 per year
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Cyear, compared to the previously $7 per year, toward the cost of higher education
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Dyear toward the cost of higher education, instead of the $7 per year required previously
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Eyear as opposed to the $7 per year required previously for the cost of higher education
分析该选项
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正确答案: D