Chinese Xunzi Confucianism Encourages Its Followers to Offer Ethically Dubious

Chinese Xunzi Confucianism encourages its followers to offer ethically dubious deals to foreigners:

A) To test the ethics of foreigners before agreeing to do business.
B) To support their own self-interest by getting the best possible outcome for themselves.
C) Because they believe all foreigners expect this as a condition of doing business.
D) Because such deals are normal practice in China and not considered "dubious" or "illegal."