One Reasonable Explanation for the Moon Illusion Is That the Moon

Multiple Choice

One reasonable explanation for the moon illusion is that the moon appears larger at the horizon because

A) we compare the size of the moon at the horizon to the apparent sizes of other objects at the horizon.
B) the eye muscles fatigue more rapidly when we look up than when we look straight ahead.
C) the light is distorted as it passes through the atmosphere.
D) most eyes are not exactly round.