Which statement best describes the properties of metals?
a. they are shiny and bend without breaking.
b. they are dull and are good electrical insulators.
c. they conduct electricity well and are brittle.
d. they can be flattened and do not conduct heat well.

The only statement that states a fact about metals is the first option, letter A. They are shiny and bend without breaking. Choices B-D are wrong because metals are not insulators but are god conductors of heat and electricity. Metals can be flattened but they are not brittle.