For a ceramic compound, what are the characteristics of the component ions that determine the crystal structure?

For a ceramic compound, what are the characteristics of the component ions that determine the crystal structure?
A.the magnitude of the electrical charge on each ion
B.the number of atoms in ceramic
C.the relative sizes of the cations and anions
D.the weight of atoms in ceramic
正确答案：the magnitude of the electrical charge on each ion；the relative sizes of the cations and anions