In What Way Are Many of the Extrasolar Planetary Systems

Multiple Choice

In what way are many of the extrasolar planetary systems that have been discovered so far fundamentally different from our own solar system?

A) The relative positions of where the planets formed are inverted, with the gas giant-type planets forming close to the stars and the terrestrial-type planets forming farther out.
B) The terrestrial-mass planets are significantly outnumbered by the gas giant-mass planets.
C) The massive gas giant-type planets appear to have formed at large distances, spiraled in close to their stars, and remained near their stars.
D) There are no gas giant-mass planets.