请教大全40题

winnie603

     According to a study by the Carnegie Foundation for the Advancement of Teaching, companies in the United States are providing job training and general education for nearly eight million people, about equivalent to the enrollment of the nation’s four-year colleges and universities.

(A) equivalent to the enrollment of

(B) the equivalent of those enrolled in

(C) equal to those who are enrolled in

(D) as many as the enrollment of  

(E) as many as are enrolled in

实在不明白答案为什么是E,equivalent 的用法是什么？

winnie603

各位XDJM受累看看 多谢

ESeraph

equivalent 跟不可数名词，as many as 表示比较