[SC悬赏令] 比较问题：比较人与比较数，求NN帮助~

According to a study by theCarnegie Foundation for the Advancement of Teaching, companies inthe UnitedStates are providing job training and general education for nearly eightmillion people, about equivalent to the enrollment of the nation’s four-yearcolleges and universities.

　　(A) equivalent tothe enrollment of

　　(B) theequivalent of those enrolled in

　　(C) equal tothose who are enrolled in

　　(D) as many asthe enrollment of(E)

　　(E) asmany as are enrolled in

上题OG里解释的是人people的比较，为什么不可以理解为数Number的比较，eight million 这么多的 与enrollment比， 类似的例题还有么？求各位CDer 帮助