( First of all A is out of the quenstion) ,if you think about it bias is a opinion, and C and D are More of Facts told by people, Now we have A and B, B is LIke Saying there is A 50 % chance People are going to quention a news story. And a is our last Answer is C There Are your answers . Soryy if this isnt good its my first time
Confirmation bias is the tendency to search for, interpret, favor, and recall information in a way that confirms or strengthens one's prior personal beliefs or hypotheses.