Note the Image Showing a Series of Batholiths on the Landscape

Note the image showing a series of batholiths on the landscape. How did those batholiths get exposed at the surface?

A) The batholiths were washed downhill from distant mountains and deposited here.
B) Batholiths crystallize below the surface but then flow upwards towards the surface.
C) Batholiths crystallize at the surface, so they are simply still in place.
D) Batholiths crystallize below the surface but were later exposed by way of erosion of overlying material.