The correct answer that would best complete the given statement above would be the third option: EU. Citizens of EU or European Union are citizens of all the nations in the alliance. EU citizens <span>are citizens of </span>Austria<span>, </span>Belgium<span>, </span>Bulgaria<span>, Croatia, </span>Cyprus<span>, the Czech Republic, Denmark, </span>Estonia<span>, Finland, France, Germany, </span>Greece<span>, </span>Hungary<span>, Ireland, Italy, </span>Latvia<span>, Lithuania, Luxembourg, Malta, the Netherlands, </span>Poland<span>, Portugal, </span>Romania<span>, Slovakia, Slovenia, Spain, Sweden and the </span>UK<span>. Hope this answer helps.</span>