The Discovery That Jovian-Like Planets Are Common Around Other Stars

Multiple Choice

The discovery that Jovian-like planets are common around other stars and that gas and dust is swept out of the star's neighborhood early after the formation suggests that

A) the Terrestrial planets must form earlier than the Jovian planets.
B) all comets are much more massive than the Jovian planets.
C) all asteroids had to have formed in planets which then exploded
D) the Jovians may have formed directly very quickly,without the core accretion phase.
E) the Jovians may have formed directly very very slowly,without the core accretion phase.