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
正确答案是C,但是感觉似乎整句没有谓语啊,望高手指点
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