Units A, B, C, D, and F Are Sedimentary Rocks

Units A, B, C, D, and F are sedimentary rocks. Unit E is an igneous rock.

-The most likely explanation for the varying thickness of unit C on either side of the fault is that

A) more sediment was originally deposited on the left side of the fault.
B) sediment was eroded from the right side of the fault.
C) unit B is covering up part of unit C on the right side of the fault.