Blind-Sight Patients Seem Able to Make Many Visual Discriminations And,when

Blind-sight patients seem able to make many visual discriminations and,when pressed,to locate objects in their visual environment.Yet these same patients often refuse to walk across a room because they are concerned that they will bump into something.The text suggests that blind-sight patients

A) are able to make discriminations only when the stimuli are particularly clear.
B) can make discriminations only in controlled laboratory conditions.
C) do not feel they have a reason or justification for using the information that is apparently available to them.
D) tend to rely on routine rather than use the information that is apparently available to them.