If a Person Is Holding a Cube Out of Sight

If a person is holding a cube out of sight and at the same time is looking at a cotton-stuffed rubber glove holding a similar cube,

A) accuracy in detecting vibration to the hand is uninfluenced by a light in the same place on the glove.
B) accuracy in detecting vibration to the hand is increased by a light in the same place on the glove.
C) accuracy in detecting vibration to the hand is decreased by a light in the same place on the glove.
D accuracy in detecting vibration to the hand is uninfluenced by a light in the same place on the glove if . the person had been told to ignore the light.