The correct answer is A) Sun Yat-sen.
Sun Yat-sen helped to create the Republic of China in 1912 through efforts that began in the late nineteenth century.
Sun Yat-sen(1866-1925) has a place as one of the most important leaders of modern China. He was considered by the People's Republic of China as the "Father of the Nation." His revolutionary ideas helped to create the Republic of China. He played a key role in the overthrow of the Qin Dynasty in the times of the Xinhai Revolution, becoming the first President of the Republic of China.