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帮忙看看og这个解释是什么意思（OG72)
72. The number of undergraduate degrees in engineering awarded by colleges and universities in the United States increased by more than twice from 1978 to 1985.
A.increased by more than twice
B.increased more than two times
C.more than doubled
D.was more than doubled
E.had more than doubled
解释：Choice A is faulty because an adverb such as twice cannot function as an object of the preposition by
那么A怎么改算对呢？ ... increased by more than 50% 对吗？
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