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 47 million, are at
答案:
D