A. Oleksandr Turchynov
B. Volodymyr Zelensky
C. Petro Poroshenko
D. None of these
Explanation:
Volodymyr Oleksandrovych Zelensky ( born 25 January 1978) is a Ukrainian comedian and politician who is serving as the 6th and current president of Ukraine since 20 May 2019.Volodymyr Oleksandrovych Zelensky ( born 25 January 1978) is a Ukrainian comedian and politician who is serving as the 6th and current president of Ukraine since 20 May 2019.