The Reason There Are Very Few Impact Craters on the Surface

Multiple Choice

The reason there are very few impact craters on the surface of Venus compared with the surfaces of Mercury and Mars is thought to be that

A) wind erosion from the dense atmosphere of Venus and chemical action from its corrosive clouds and mist have destroyed most craters.
B) the thick atmosphere of Venus has protected it from most incoming objects, and the surface has melted periodically to obliterate old craters.
C) plate tectonic motions have recycled the surface of Venus several times since the main bombardment of the planetary system occurred.
D) ocean waters that covered Venus at earlier times washed away any evidence of cratering.