Which Characteristic Is Not Generally True of a Starburst Galaxy

Which characteristic is not generally true of a starburst galaxy?

A) Its rate of star formation is many times higher than the rate of star formation in the Milky Way.
B) Supernovae occur so frequently that their effects combine to drive a galactic wind that blows material into intergalactic space.
C) The observed features that cause us to classify it as a "starburst" must be only temporary phenomena in the galaxy's history.
D) The observed features of the starburst are thought to be caused by the presence of a supermassive black hole in the galaxy's center.