The unemployment rate in this district from 6% to 5% in the past two years.
A. has fallen
B. had fallen
C. is falling
D. was falling
网友回答
(答案→)A. has fallen
B. had fallen
C. is falling
D. was falling
解析：考查时态，句子的时间状语是：in the past two years.而英语中in/during the past/last two /few years.都和现在完成时连用，句意是;这个地区的失业率在过去两年已经从6%下降到5%。选A。