The unemployment rate in this district   from 6% to 5% in the past two years.

The unemployment rate in this district______from 6% to 5% in the past two years.

1. A.
   has fallen
2. B.
   had fallen
3. C.
   is falling
4. D.
   was falling

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

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

The unemployment rate in this district   from 6% to 5% in the past two years.