On the Basis of Its Appearance and General Properties,which Planetary

On the basis of its appearance and general properties,which planetary body could be described as Earth's twin?

A) Mars-somewhat smaller but with a similar surface, a thin atmosphere, and clouds
B) the Moon-somewhat smaller but having the same average density and geology
C) Pluto-similar size and density, a large moon, and probably life on its surface
D) Venus-about the same mass and diameter, dense atmosphere, and cloud-shrouded