The Orbits of Most Comets

Multiple Choice

The orbits of most comets

A) are like the planets, fairly circular and in the ecliptic plane.
B) have perihelions within the orbits of Mercury.
C) lie almost entirely beyond the orbit of Neptune.
D) go no farther out than Pluto, then return to the sun again.
E) are shorter than the 76- year period for Comet Halley.