Which of the Following Statements Has NOT Been Documented,with Respect

Which of the following statements has NOT been documented,with respect to pretrial publicity?

A) Those with more knowledge about a case were more likely to assume the defendant was guilty.
B) The more media sources people use,the more likely they will know about a case.
C) People's knowledge about a case is not related to their reported ability to remain impartial.
D) If people do not know about a case,surveying them to assess pretrial publicity effects will lead them to assume the defendant is guilty.