关于完成时的问题！

蚊子小猴

After decreasing steadily in the mid-1990's, the percentage of students in the United States finishing high school or having earned equivalency diplomas increased in the last three years of the decade, up to 86.5 percent in 2000 from 85.9 percent in 1999 and 84.8 percent in 1998.

(A) finishing high school or having earned equivalency diplomas increased in the last three years of the decade, up to 86.5 percent in 2000 from 85.9 percent in 1999 and

(B) finishing high school or earning equivalency diplomas, increasing in the last three years of the decade, rising to 86.5 percent in 2000 from 85.9 percent in 1999 and from

(C) having finished high school or earning an equivalency diploma increased in the last three years of the decade, and rose to 86.5 percent in 2000 from 85.9 percent in 1999 and from

(D) who either finished high school or they earned an equivalency diploma, increasing in the last three years of the decade, rose to 86.5 percent in 2000 from 85.9 percent in 1999 and

(E) who finished high school or earned equivalency diplomas increased in the last three years of the decade, to 86.5 percent in 2000 from 85.9 percent in 1999 and

这道题选E  可以理解 但是有个问题 不是 in the lastXXX这种句子里时态都要接完成时么？为什么这道题没有接完成时呢？求NN解答！！！

这道题选E  可以理解 但是有个问题 不是 in the lastXXX这种句子里时态都要接完成时么？为什么这道题没有接完成时呢？求NN解答！！！

蚊子小猴

顶啊~有木有人来解答一下啊  谢谢啦~

wildmantomba

in the last three years of the decade
这个decade（1990年代）的最后三年

in the last three years
从现在开始往前的三年

这两者是有点不同的