Susan Is Asked to Move Her Hands Randomly and to Report

Susan is asked to move her hands randomly and to report the exact location of a series of dots on a screen as she moves her hands. Interestingly, her reports of the dot location showed that __________.

A) there was a delay between her movement and her report, showing that she moved before she actually detected she moved her hands
B) there occurred a brief gap between her moment of decision and the actual movement, with the decision coming first
C) the report and the movement occurred at the same exact time
D) she was unable to detect when she moved her hands because she was concentrating on the dots