In the "Unified Model" of Active Galaxies, the Main Difference

In the "unified model" of active galaxies, the main difference among quasars, blazars, and radio galaxies appears to be that:

A) the mass of the central black hole is different in each case-largest in quasars, less in blazars, and least in radio galaxies.
B) the rate at which matter is falling into the central black hole is different in each case-highest in quasars, less in blazars, and lowest in radio galaxies.
C) the galaxy type is different in each case-spiral for blazars, elliptical for quasars, and irregular for radio galaxies.
D) we see the accretion disk around the central black hole from a different angle in each case-face on for blazars, edge on for radio galaxies, and in between for quasars.

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