
Passage: To treat a person fairly is to treat him without prejudice. But our friends usually want us to regard their interests as more important than those of others. In this way, considering that we always try to maintain our friendship with our friends, we can't treat our friends fairly.
Question: Which of the followings must be assumed in the above argument?
A. A.People can be fair when dealing with relationships between non-friends.
B. B.The ideal of justice has nothing to do with dealing with most relationships.
C. C.Maintaining close friendship with some people is very important in one's life.
D. D.A person cannot be fair to someone at the same time and regards his interests as more important than those of others.
Answer: