PT 3 S4 Q16

The public is aware of the possibility of biases in the mass media and ... ...

If the view above is correct, it provides a reason for accepting which one of the following conclusions?
(A) If there is a pervasive bias in the presentation of news by the mass media, it would be hard for the public to discern that bias.
(B) ...
(C) ...
(D) ...
(E) ...

*This question is included in Practice Set: "Drawing Conclusions" Questions, Set 4 - Difficult/Uncommon Mix (25Q)