C is the answer, i know this is late but it can at least help some one else maybe
Explanation:
There are two plate tectonics. The the arrows that are going outwards show that there are one on each arrow because, the line splits them in half and it said that it split them in half in the directions.
Example: Cuagas, and Puerto Rico. Vous pouvez visited W I k I p e d I a pour plus information.
Answer:
A.Layer C is younger than layer A.
Explanation: