The Exposed Bedrock in the Background of the Figure Below,to

Multiple Choice

The exposed bedrock in the background of the figure below,to the right,formed as

A) isostatic rebound caused the land to extend upward.
B) particularly resistant rock and/or thin ice left the rock above the ice surface.
C) a mantle hot spot melted the glacier in this localized area.
D) local wind-blown deposition concentrated in this area of the glacier.