Rhea, Saturn's Second Largest Moon, Might Best Be Described As

Multiple Choice

Rhea, Saturn's second largest moon, might best be described as:

A) having a very reflective, icy surface that is heavily cratered.
B) orbiting in a highly elliptical orbit, far from Saturn.
C) having the leading hemisphere six times darker than the following one.
D) being composed of the densest material of any Saturnian moon and dark in appearance.
E) being the only major moon of any planet not in synchronous rotation.