It seems as if answer E presents the overall answer, but I do not see why neither B nor C is not regarded correct. They are both described in the stimuli (lines of 27--)
I have never struggled this much with RC... I feel like I should start studying all over again how to attack RC...
I see you are noting your struggling again! Sorry to hear.
Anyway, B and C, "Juries usually overestimate the value of visual evidence such as photographs" and "Jurors have preconceptions about the behavior of defendants that prevent them from making an objective analysis of the evidence in a criminal trial", are things that *may* happen, not things that always happen.