I think is alternative a because that includes the earth
Its C but more accurately-
Turkey has a population of 75+ million and if the country entered the EU today, they would be the second largest member state behind Germany. This would mean an instant shift of power in almost every EU institution, more notably the European Parliament where seats are distributed to member states according to population. Turkey would instantly become a key player in European politics and would have more influence than the traditionally core countries, France, Italy, and the UK.