Which of the following statements about the role of the Red Guard during the Cultural Revolution is correct? А The Red Guard served as the guardians of Chinese history, charged with acquiring and protecting important works of Chinese literature and art. B The Red Guard was a group of Mao Zedong's most trusted political and military advisors, on whose guidance he relied throughout his reign. с C The Red Guard was responsible for carrying out secret military campaigns throughout Asia aimed at weakening democratic governments in the region and encouraging communist revolutions. D The Red Guard arrested, tortured, and sometimes executed individuals deemed a threat to Mao Zedong's rule and communism in general, including capitalists, intellectuals, and political dissidents​