A Way to Demonstrate to Yourself That Light Is a Wave

Multiple Choice

A way to demonstrate to yourself that light is a wave is by

A) allowing light to reflect from a mirror.
B) observing the light that passes through a narrow space between your fingers.
C) using a prism to separate light into its various components.
D) allowing light from two flashlights to strike a screen.
E) observing light as it bends while passing from air into water.