What does the term "heat capacity" refer to?

A.) The amount of heat that a liquid can absorb until the particles speed up enough
to become a gas

B.) A ratio of the amount of heat a material will absorb to the amount of heat it
immediately releases

C.) The amount of heat energy needed to raise the temperature of a unit mass of a material one degree

D.) The amount of heat that must be applied to a solid to convert it to a liquid