The correct response is:
The electromagnetic radiation is acting like two waves, one through each slit, that interfere and make a pattern.
In the double slit experiment, the formation of an interference pattern indicates that the electromagnetic radiation (such as light) exhibits wave-like properties. As the light passes through the two slits, it creates overlapping waves that interfere with each other, resulting in regions of constructive and destructive interference, which is observed as multiple lines or bands on the screen.