Which Set of Properties Below Best Describes Solid Ionic Crystalline

Which set of properties below best describes solid ionic crystalline substances?

A) broad range of melting points, soft to hard, conductors in liquid and solid states
B) high melting points, brittle, nonconductors
C) high melting points, hard, not brittle, nonconductors
D) low melting points, soft, nonconductors
E) low melting points, soft, conductors in liquid and solid states