At the Center of Our Galaxy, ____

At the center of our galaxy, ____.

A) material is available to make stars but the region is too cold to support star formation
B) large stars are formed by the collision of smaller stars
C) stars form at the same rate as they do in the spiral arms
D) there is no star formation since there is no gas present
E) there is evidence of recent, rapid star formation and supernova explosions