169. (34173-!-item-!-188;#058&007252)
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 47 million, are at
Ans:D
想請教D選項不會有雙主詞的問題嗎? 此題結構該如何拆解?