10. Jane puts the north pole of a bar magnet near an object on her desk. As the magnet gets
closer to the object; the object is repelled and moves away from the magnet. Which of the
following statements about the object on Jane's desk is true?
a. The object is not made of metal.
b. The object has randomly-arranged domains.
c. The object has a north pole but no south pole.
d. The object is a magnet or has been magnetized.