Early in the History of the Universe,assume a Galaxy Which

Early in the history of the universe,assume a galaxy which had an active nucleus was near our Milky Way Galaxy.Today,that galaxy is not active.The most likely explanation is that

A) its red shift is too great.
B) its blue shift is too great.
C) its central black hole is not being fed infalling gas.
D) the central white hole is not being fed infalling gas.