and I ………in Turkey

  1. It was 2002 and I ………in Turkey for two years.

b)was living
c)had been living ([color=green]Answer Key)
d)have been living

Can options “a” and “b” be correct too or not? If not then would you please tell me why?

Thank you

No, only © is acceptable.

The sentence refers to one action which continued between two points which are both in the past. The past perfect tense is required.

Thank you.