GMAT Sentence Correction (SC) | Re: Although Ghana is a relatively small country

Although Ghana is a relatively small country its economic environment is similar to several other developing countries in Africa, Latin America, the Caribbean,and parts of Asia where formerly agrarian-based economies are now shifting to industrial and service-based economies.

A) and parts of Asia where formerly agrarian-based economies are now shifting

B) and parts of Asia where formerly agrarian-based economies are now shifting

C) and parts of Asia where former agrarian-based economies are