While Recording from a Bipolar Cell with an Off-Center On-Surround

Multiple Choice

 While recording from a bipolar cell with an off-center on-surround receptive field, you observe a hyperpolarization in your cell. The stimulus that most likely triggered this response is light that covered

A) the surround but not the center.
B) the center but not the surround.
C) half of the center and half of the surround.
D) the entire receptive field.