Which of the Following Demonstrates the Phenomenon of Brightness Constancy

Multiple Choice

Which of the following demonstrates the phenomenon of brightness constancy?

A) A door looks the same whether it is viewed head-on or from the side.
B) A train viewed at a distance and up close appears to be the same size.
C) A house appears to have the same colour even though parts of it are in the shade.
D) Objects that look similar will tend to be perceived as belonging together.