All the following statements about Venus are true. Which one offers evidence of a global repaving about a billion years ago?

A. Venus's largest features are three elevated regions that look somewhat like continents.

B. Venus has many circular features, called coronae, which appear to be tectonic in origin.

C. Venus appears to lack any water that could lubricate the flow of rock in its crust and mantle.

D. Venus has relatively few impact craters and these craters are distributed fairly evenly over the entire planet.