getgyan wrote:
In 1994 agreementsexisted between Canada and several countries in Europe, agreements that allowed any car authorized in one participating country to be sold in any of the others.
A. existed between Canada and several countries in Europe, agreements that allowed any car authorized in one
B. had existed between Canada and several countries in Europe, agreements that allowed any car authorized in one
C. existed among Canada and several countries in Europe, which allowed any car authorized in one
D.
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