Answer: C. Atheist
Explanation: The Chinese Government officially accepts Atheism as State Religion. There are also different religion that exists in China such as 'Confucianism' and 'Taoism'. These religions were later joined by 'Buddhism'.
The three religions constitute the “three teachings” and these have structured the culture of China. The religions namely 'Buddhism', 'Taoism', 'Catholicism', 'Protestantism' and 'Islam' are recognized by the Chinese Government. But Atheism is recognized as the official state religion of China.
Hope this helps you out.