THE LAST TIME WHEN I SAW HER WAS THREE YEARS AGO.A. I HAVE OFTEN S...

19. The last time when I saw her was three years ago.

a. I have often seen her for the last three years.

b. About three years ago, I used to meet her.

c. I have not seen her for three years.

d. I saw her three years ago and will never meet her again.