B, allusion. Allusion is a reference to something of historical or cultural significance, like Michelangelo.
Answer:
The piece, The last Supper was painted by Leonardo da Vinci
1. True
2. True
3. False
4. Both
It's a system a letters that can be understood using touch. It is made for those with weak vision. This system can help blind people with understanding things from an elevator floor to a story book!