Verified Answer :

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A dodecahedron is a type of polyhedron that is classified as one of the five Platonic solids. Specifically, it is a three-dimensional shape with the following properties:

1. Each face of a dodecahedron is a regular pentagon.
2. Every vertex of a dodecahedron is shared by three faces.

To determine the number of faces on a dodecahedron, we rely on the definition and properties of this geometric shape. A dodecahedron has:

- 12 faces.

Therefore, the correct answer is:

C. 12