A. A piece of paper near a magnet
B. An aluminum nail near a magnet
C. An iron nail, not near a magnet
D. An iron nail near a magnet
![A A piece of paper near a magnet B An aluminum nail near a magnet C An iron nail not near a magnet D An iron nail near a magnet class=](https://us-static.z-dn.net/files/dc4/d1acd542b8bb744058e0b89cc5ee2184.png)