In the Ames Room, People Appear to Grow Larger or Smaller

In the Ames room, people appear to grow larger or smaller as they walk from one side of the room to the other because _________________.

A) retinal disparity occurs
B) accommodation cannot be determined without movement by the people
C) people's expectations of the room being square in shape are violated
D) there are no reference cues to judge the height of people