Explanation

C is correct because Zoran Milanovic won the second round of the 2019-2020 Croatian Presidential Election with approximately 52.66% of the votes. A is incorrect because Kolinda Grabar Kitarovic was not the winner in that election. B is incorrect because Luka Zeen Milanovic was not the winner in that election. D is incorrect because a specific candidate, Zoran Milanovic, is identified as the winner.