Which of the following best describes a cubic centimeter?
 A. a square with a side length of 1 centimeter and an area of 1 square centimeter
 B. a square with a side length of 1 centimeter and an area of 2 square centimeter
 C. a cube with a side length of 1 centimeter and a volume of 1 cubic centimeter
 D. a cube with a side length of 1 centimeter and a volume of 3 cubic centimeters