Roseanne Is Suffering from Hysterical Blindness

Roseanne is suffering from hysterical blindness.She participates in a study,and it is shown that she

A) is actually faking her blindness.
B) cannot respond to any visual stimuli.
C) responds to visual stimuli but is unaware that she did so.
D) appears to respond to visual stimuli but in fact has learned to detect other sensory cues (e.g. ,heat,noise,etc. ) .