Which of the Following Statements About Information Flow in the Vertebrate

Which of the following statements about information flow in the vertebrate visual system is true?

A) Action potentials in bipolar cells cause the release of neurotransmitter onto ganglion cells.
B) Amacrine cells integrate the activity of neighboring rod and cone cells.
C) When photons of light enter they eye, the first cells in the retina they encounter are ganglion cells.
D) The highest density of rod cells in the human retina is centrally located in the fovea, resulting in high acuity dim light vision.
E) Pigmented epithelial cells at the back of the retina provide information about the level of ambient light for contrast adjustments.