这个为何不能D呢？

frankzhiwei

1.According to some economists, the July decrease in unemployment so that it was the lowest in two years suggests that the gradual improvement in the job market is continuing.

(A) so that it was the lowest in two years

(B) so that it was the lowest two-year rate

(C) to what would be the lowest in two years

(D) to a two-year low level（E）

(E) to the lowest level in two years
小弟选D，感觉不错呀~

wenchang

D选项歧义，可以认为是两年以来的低点，亦可以认为是持续了两年的低点，老题讨论过N久了