OG 11-34 提问

34. Efforts to equalize the funds available to school districts, a major goal of education reformers and many states in the 1970's, has not significantly
            reduced the gaps existinq between the richest and poorest districts.

(A)        has not significantly reduced the gaps existing

(B)         has not been significant in reducing the gap that exists

(C)         has not made a significant reduction in the gap that exists

(D)        have not significantly reduced the gap that exists

(E)         have not been significant in a reduction of the gaps existing

答案是D , 请问如果 efforts 是主语, 那么 a major goal of .... 在句中是什么作用