一道4月JJ

IceOnMe

（1）Part of the proposed increase in state education spending is due to higher enrollment, since the number of students in public schools have grown steadily since the mid-1980’s and, at nearly 47 million, are at a record high.
(A) enrollment, since the number of students in public schools have grown steadily since the mid-1980’s and, at nearly 47 million, are at
(B) enrollment, with a number of students in public schools growing steadily since the mid-1980’s and, at nearly 47 million, reaching
(C) enrollment: since students in public schools have grown steadily in number since the mid-1980’s and, at nearly 47 million, have reached
(D) enrollment: the number of student in public schools has grown steadily since the mid-1980’s and, at nearly 47 million, has reached
(E) enrollment: students in public schools have grown steadily in number, since the mid-1980’s and, at nearly 47 million, are at

这道JJ不知有没有讨论过, 选D是么? 冒号后面2个平行. 另外我想有since做原因解的都是redundant吧

joe11

D.

1. the number ... has grown

2. students 不能  grown