The Large Circular Coronae on Venus Are

The large circular coronae on Venus are:

A) rings of mountains created by continental plates grinding against each other
B) large regions where hot magma rising from the interior of Venus puts pressure on the surface material
C) the outer rings of material thrown up by giant impacts long ago
D) impact basins flooded with lava, just like the maria on the Moon
E) tracks for racing dune buggies on the surface of the sandy planet
Section 10.3: The Massive Atmosphere of Venus