题目:
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.
选项:
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
答案:
D