请NN及好心人帮助看看,虽然E选项的错误比较明显(have ... in number 啰嗦),但是D选项似乎也不对吧(我觉得has grown 和has reached并列,那么第二个has应该省略呀?)请NN给讲讲D为什么正确,谢谢! GWD-24-9 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 students 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 47million, are at |