The Surface of Callisto,the Outer Galilean Moon of Jupiter,can BEST

Multiple Choice

The surface of Callisto,the outer Galilean moon of Jupiter,can BEST be described as:

A) relatively smooth, with a great many impact craters and one large basin created by an asteroid impact.
B) relatively smooth, with many small craters but no evidence of large impacts.
C) rough and mountainous, with evidence of either volcanoes or geyser-like activity.
D) very smooth, with a network of streaks and cracks and very few craters.