Why Have Very Few Planets with Low Mass (Comparable to Mars

Multiple Choice

Why have very few planets with low mass (comparable to Mars or Mercury) been found?

A) These small planets are very rare.
B) Low mass planets do not produce large enough radial velocity changes in their stars.
C) High mass planets are blocking our views of low mass planets.
D) Hot Jupiters have ejected most low mass planets from their solar systems.
E) Low mass planets are too far from their parent stars to receive enough light to make themvisible from Earth.