Answer:
The right choice is (A) Shiny
Step-by-step explanation:
Metals are shiny because of the free electrons that are present in them.When light hits the surface of metals then electrons go to excitement state and try to escape from the surface of the metal because these electrons are only loosely attached to the metal atoms. As a result giving a photon of light in the form of energy The light emitted from photon is looked by us as shine or brittle.