The Overall Geography of Mars Can BEST Be Summarized as

The overall geography of Mars can BEST be summarized as

A) moving lithospheric plates whose motions have produced long folded mountain chains, deep subduction trenches, and several large rift valleys.
B) mostly rolling plains, with several volcanoes on top of two continent-sized uplands.
C) smooth plains where continuous resurfacing by ongoing volcanic activity has hidden older impact craters and other details.
D) major volcanoes in the northern hemisphere and extensively cratered plains in the southern hemisphere, separated by one major valley system.