Material that absorbs or reflects all light that reaches it is called opaque.
An object is translucent when it allows some light to go through and reflects the others It is transparent when all light goes through it. Pigmented on the other hand changes the color of the light.
The answer is D.
Matter can change to a solid depending on how hot or cold it is. I turns into a liquid if you melt it, and it turns into a gas when it evaporates.
