From the given choices
the answer is B. Confucianism!<span>
Confucius said in Analects “What you do not wish
for yourself, do not do to others.” which constitute the basics of social
conduct encouraging and requiring of people to treat others as they themselves
want to be treated.</span>
Yes, Wu Hou married a tang emperor. A few years later she changed the dynasty to Chou, and named herself the "Sacred and Divine Empress Regnant" of the Chou Dynasty. In effect, she usurped the Tang Dynasty without major bloodshed.
Empress Wu Zetian Tang Dynasty China (625-705 AD)