One critic characterizes judges' instructions as requiring "mental contortions" (line 25) most likely because of the ...

Emil-Kunkin on February 6 at 11:01PM

I think C doesn't capture the strength of the the statement. The author seems concerned with the idea that jurors cannot be expected to fully leave their existing knowledge at the door. This is expressing concern not only that they might already have an opinion, but that they may bring in facts that are not allowable at trial. In this sense, c is actually weaker than a.