What Evidence Exists That Some of the Asteroids Were Geologically

Multiple Choice

What evidence exists that some of the asteroids were geologically active?

A) A few of the larger asteroids show small volcanic mountains.
B) The moons of Mars,which are thought to be captured asteroids,show evidence of flooding by lava.
C) The meteorites that are breccias could only have formed in a molten mantle.
D) Spectroscopically,Vesta appears to have regions of small lava flows.
E) Io is very geologically active with sulfur volcanoes.