A student uses a magnet to place a picture on the refrigerator door. Which statement explains how the magnet is able to stick to the refrigerator without directly touching it?
A The picture’s own magnetic field attracts both the magnet and the refrigerator.
B The force of gravity between the refrigerator and the magnet is strong enough to cause the magnet to stick.
C Friction acts through the picture and allows the magnet to stick to the refrigerator.
D The magnet’s magnetic field can act at a distance, and influence the metal of the door through the picture.