The correct answer is option D. "Mao Zedong".
Explanation:
The People's Republic of China was created in October 1, 1949, after the Communist Party of China (CPC) almost completely won the Chinese Civil War. The leader of the CPC was Mao Zedong, who proclaimed the name of People's Republic of China, and was his leader in the following years. Eventually, the People's Republic of China became a synonymous with China, the name that nowadays is given to that country.