The author says that 3D printers are being used to ice cakes and make plant-based burgers and steaks. What does this tell you about the kinds of materials used by 3D printers?

A. 3D printers are best at building things in concrete and metal.

B. 3D printers can print in many different materials, including food.

C. 3D printers can easily break if softer materials are used in them.

D. 3D printers can only print very large objects in outdoor spaces.