Sun Yat-sen himself was engaged in a revolution to overthrow the Qing Dynasty, and the slogan of the Taiping Heavenly Kingdom was "Except Clear The Demon". Only from this point of view, the two are consistent, so Sun Yat-sen's purpose is to promote the anti-Qing revolution through the Tian Ping Tian Guo Movement, and the answer B is correct.

Han Gong's book can be said to promote the martial arts of the emperor and the Han Dynasty, clarify the truth from the history that was arbitrarily tampered with by the previous dynasty, and let readers understand that the Taiping Heavenly Kingdom is different from the Ming Dynasty, and many people tried to overthrow the Manchu Dynasty and restore the Han family.