What Is an SBc Galaxy

What is an SBc galaxy?

A) galaxy with a moderate nuclear bulge, moderately wound arms, and a bright core
B) galaxy with a large nuclear bulge and tightly wound arms starting from the ends of a straight bar through the nuclear bulge
C) galaxy with a small nuclear bulge and loosely wound arms coming from the center of the nuclear bulge
D) galaxy with a small nuclear bulge and loosely wound arms starting from the ends of a straight bar through the nuclear bulge