The Phenomenon of Blindsight Suggests That the Visual System Has

The phenomenon of blindsight suggests that the visual system has a "where" system concerned with detection and localization of visual stimuli,and a "what" system concerned with identification of stimuli.People who exhibit the phenomenon of blindsight are thought to have which of these systems intact?

A) Both "what" and "where" systems are intact.
B) Neither the "what" nor the "where" systems are intact.
C) Only the "what" system is intact.
D) Only the "where" system is intact.