Question

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

Answer 1

A 

解析:考查動(dòng)詞時(shí)態(tài)。根據(jù)時(shí)間狀語in the past two years可知用現(xiàn)在完成時(shí)，選A。