You Are Driving at Night and Decide to Pass a Slow-Moving

You are driving at night and decide to pass a slow-moving car. As you look at the car as you pass, it dawns on you that although you can see the car, you can't tell what color it is. This is due to

A) the poor ability of cones to function in low light.
B) the poor ability of rods to function in low light.
C) a reduced ability to focus in low light situations.
D) the constriction of your pupil in low light situations, which reduces color vision.