题目:
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 existing between the richest and poorest districts.
选项:
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:
D