Why Is It Easier to See a Small Object in Dim

Why is it easier to see a small object in dim light if you look slightly away from it?

A) Visual acuity occurs in the outer area of the eye.
B) The fovea is better able to focus in that position.
C) Rods contribute more to night vision and are located in the periphery of the retina.
D) The image will fall on the fovea, where cones are most dense.
E) Humans have two foveae, and the lateral one has higher acuity.