What does it mean for a source to be biased?

Question

A):The source shows a clear prejudice for or against someone or something

B):The source should not be used under any circumstances in your research paper

C):None of the answers are correct

D):The source is current, accurate, authoritative, and relevant

Answer 1

A):The source shows a clear prejudice for or against someone or something

Answer 2

The answer would be A. Biased means that the evidence is showing precedence for or against someone or something.

Answer 3

Biased means prejudice