Which of the following statements is true of water in a solid state? Choose all that apply.

A. There are covalent bonds between each water molecule.
B. Solid water conforms to the shape of its container.
C. Water molecules in ice do not interact with each other very often.
D. It is rigid and forms a three-dimensional crystalline shape.
E. Water molecules in ice remain in a relatively fixed position and are not as mobile as they are in the liquid state, where there are fewer hydrogen bonds.